Q: What are the prime factors of the number 77,246,256?

 A: 2, 3, 29, 211, 263

Why are those the prime factors of the number 77,246,256?

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 77,246,256

77,246,256
Factor Arrows
238,623,128
Factor Arrows
219,311,564
Factor Arrows
29,655,782
Factor Arrows
24,827,891
Factor Arrows
31,609,297
Factor Arrows
2955,493
Factor Arrows
211263

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, 29, 211, 263

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 29 x 211 x 263 = 77,246,256

This can also be written as 24 x 31 x 291 x 2111 x 2631 = 77,246,256

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


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