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How do you know how many factors a number has? - Answers

If you know the prime factorization of a number, you can find out the total number of factors.Example: 21021 x 31 x 51 x 71 = 210Add one to the exponents and multiply them.2 x 2 x 2 x 2 = 16, the total number of factors.You know that 1, 2, 3, 5, and 7 are factors. You need three more to get halfway.2 x 3 = 62 x 5 = 102 x 7 = 14Divide all those numbers into 210.1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210



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How do you know how many factors a number has? - Answers

https://math.answers.com/math-and-arithmetic/How_do_you_know_how_many_factors_a_number_has

If you know the prime factorization of a number, you can find out the total number of factors.Example: 21021 x 31 x 51 x 71 = 210Add one to the exponents and multiply them.2 x 2 x 2 x 2 = 16, the total number of factors.You know that 1, 2, 3, 5, and 7 are factors. You need three more to get halfway.2 x 3 = 62 x 5 = 102 x 7 = 14Divide all those numbers into 210.1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210



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https://math.answers.com/math-and-arithmetic/How_do_you_know_how_many_factors_a_number_has

How do you know how many factors a number has? - Answers

If you know the prime factorization of a number, you can find out the total number of factors.Example: 21021 x 31 x 51 x 71 = 210Add one to the exponents and multiply them.2 x 2 x 2 x 2 = 16, the total number of factors.You know that 1, 2, 3, 5, and 7 are factors. You need three more to get halfway.2 x 3 = 62 x 5 = 102 x 7 = 14Divide all those numbers into 210.1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210

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      If you know the prime factorization of a number, you can find out the total number of factors.Example: 21021 x 31 x 51 x 71 = 210Add one to the exponents and multiply them.2 x 2 x 2 x 2 = 16, the total number of factors.You know that 1, 2, 3, 5, and 7 are factors. You need three more to get halfway.2 x 3 = 62 x 5 = 102 x 7 = 14Divide all those numbers into 210.1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210
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