Q: What are the prime factors of the number 56,546,742?

 A: 2, 3, 7, 23, 58537

Why are those the prime factors of the number 56,546,742?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 56,546,742

56,546,742
Factor Arrows
228,273,371
Factor Arrows
39,424,457
Factor Arrows
71,346,351
Factor Arrows
2358,537

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 7, 23, 58537

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 23 x 58,537 = 56,546,742

This can also be written as 21 x 31 x 71 x 231 x 58,5371 = 56,546,742

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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