Q: What are the prime factors of the number 77,457,656?

 A: 2, 9682207

Why are those the prime factors of the number 77,457,656?

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 77,457,656

77,457,656
Factor Arrows
238,728,828
Factor Arrows
219,364,414
Factor Arrows
29,682,207

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, 9682207

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 9,682,207 = 77,457,656

This can also be written as 23 x 9,682,2071 = 77,457,656

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


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