The Common School Arithmetic: Combining Analysis and Synthesis ; Adapted to the Best Mode of Instruction in the Elements of Written Arithmetic |
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Page 80
... prime or composite . A PRIME NUMBER is a number that is divisible by no whole number except itself and one ; as 1 ... factors is called a power , and the equal factors are called the roots of the power ; thus , 9 , which equals 3 X 3 is ...
... prime or composite . A PRIME NUMBER is a number that is divisible by no whole number except itself and one ; as 1 ... factors is called a power , and the equal factors are called the roots of the power ; thus , 9 , which equals 3 X 3 is ...
Page 81
... prime factors of a number are those prime numbers whose continued product is the number ; thus , the prime factors of 12 are 2 , 2 , and 3 ; the prime factors of 36 are 2 , 2 , 3 , and 3 ; etc. NOTE 2. Since 1 , as a factor , is useless ...
... prime factors of a number are those prime numbers whose continued product is the number ; thus , the prime factors of 12 are 2 , 2 , and 3 ; the prime factors of 36 are 2 , 2 , 3 , and 3 ; etc. NOTE 2. Since 1 , as a factor , is useless ...
Page 82
... factors of numbers , we have the following TABLE OF PRIME NUMBERS FROM 1 TO 997 . 1 41 101 167 239 313 397 467 569 643 733 823 911 2 43 103 173 241 317 401 479 571 647 739 827 919 3 47 107 179 251 331 409 487 577 653 743 829 929 5 53 ...
... factors of numbers , we have the following TABLE OF PRIME NUMBERS FROM 1 TO 997 . 1 41 101 167 239 313 397 467 569 643 733 823 911 2 43 103 173 241 317 401 479 571 647 739 827 919 3 47 107 179 251 331 409 487 577 653 743 829 929 5 53 ...
Page 83
... prime factors : RULE . Divide the given number by any prime number greater than one , that will divide it ; divide the QUOTIENT by any prime number greater than one that will divide IT , and so on till the quotient is prime . The several ...
... prime factors : RULE . Divide the given number by any prime number greater than one , that will divide it ; divide the QUOTIENT by any prime number greater than one that will divide IT , and so on till the quotient is prime . The several ...
Page 84
... factors , they may be found by multiplying together two or more of its prime factors ; thus , the prime factors of 12 are 2 , 2 , and 3 , and the composite factors of 12 are 2 × 2 , 2 × 3 , and 2 × 2 × 3 , i . e . the composite fac ...
... factors , they may be found by multiplying together two or more of its prime factors ; thus , the prime factors of 12 are 2 , 2 , and 3 , and the composite factors of 12 are 2 × 2 , 2 × 3 , and 2 × 2 × 3 , i . e . the composite fac ...
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Common terms and phrases
acres of land amount annex bank bill bought bushels called ciphers common fraction composite number compound interest compound numbers computing interest contains cost cube cubic debts decimal fraction decimal places difference discount Divide dividend divisible dollars equal equated example Explain Ex farthings feet figure find the interest gain gallons given number greatest common divisor Hence higher denominations hundred improper fraction inches interest of $1 July least common multiple longitude lower denomination marked price measure miles mills minuend mixed number months multiplicand Multiply NOTE OPERATION payment pounds premium present worth prime factors principal PROBLEM Proof quarts quotient ratio Reduce rods Rule for finding shillings sold square root subtract subtrahend TABLE tens term of credit thousand Troy Weight units weight whole number wide yards of cloth
Popular passages
Page 283 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Page 42 - Division is the process of finding how many times one number is contained in another, or of finding one of the equal parts of a number.
Page 76 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 10 - How does moving a figure towards the left ntluct its vniu«' make one ten, ten tens make one hundred, ten hundreds make one thousand, and, in short, ten units of any order make one unit of the next higher order.
Page 294 - Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference.
Page 76 - TABLE. 60 Seconds (sec.) . make 1 Minute, m. 60 Minutes " 1 Hour, h. 24 Hours
Page 74 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Page 294 - Given the first term, last term, and common difference, to find the number of terms. RULE. — Divide the difference of the extremes by the common difference, and the quotient increased by 1 is the number of terms.
Page 36 - RULE. Annex as many ciphers to the multiplicand as there are ciphers in the multiplier, and the number so formed will be the •product.
Page 130 - Therefore, multiplying both terms of a fraction by the same number does not alter its value.