Q: What are the prime factors of the number 771,371,502?

 A: 2, 3, 11, 179, 65293

Why are those the prime factors of the number 771,371,502?

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 771,371,502

771,371,502
Factor Arrows
2385,685,751
Factor Arrows
3128,561,917
Factor Arrows
1111,687,447
Factor Arrows
17965,293

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, 11, 179, 65293

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 179 x 65,293 = 771,371,502

This can also be written as 21 x 31 x 111 x 1791 x 65,2931 = 771,371,502

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


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