Author: Dominika Piczura

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The Stupendous 72

By; Dominika Piczura

D81

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Facts about 72

72 has lots of factors. The factors of 72 are 1,2,3,4,6,8, 9,12,18,24,36, 72. As you can see, there are 12 factors of 72. These are factors of 72 because you can divide 72 by all of these numbers and you get a whole number. Factors are numbers that multiply to get another number.
Factor pairs are two numbers that match up and multiply to get another number. The factor pairs of 72 are 1x72, 2x36, 3x24, 4x18, 6x12, 8x9, 72x1, 36x2, 24x3, 18x4, 12x6, and 9x8. The product of all of these numbers will always be 72. Based on this information, the number is composite. A composite number is a number with more than two factors. It is not prime because prime numbers only have two factors: 1 and itself.
72 is even. Even is any number that is a factor of 2 and ends with 0,2,4,6,8. 72 is even because it ends with a 2 and it is a factor of 2 (36x2).

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Is 72 square?
No, 72 is not square. A square number is a number that has an odd number of factors. When a number is multiplied by itself, then the product is automatically a square number.
Prime Factorization
Prime factorization is a product of prime numbers. It may use some repetitions of a number to get a product of the desired number. The prime factorization of 72 is:
72
9 x 8
3 x 3 4 x 2
2 x 2

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The Numbers 72 and 24

D81

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