Q: What are the prime factors of the number 77,154,308?

 A: 2, 7, 11, 250501

Why are those the prime factors of the number 77,154,308?

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 77,154,308

77,154,308
Factor Arrows
238,577,154
Factor Arrows
219,288,577
Factor Arrows
72,755,511
Factor Arrows
11250,501

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, 7, 11, 250501

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 250,501 = 77,154,308

This can also be written as 22 x 71 x 111 x 250,5011 = 77,154,308

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


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