Q: What are the prime factors of the number 802,174,614?

 A: 2, 3, 17, 71, 257, 431

Why are those the prime factors of the number 802,174,614?

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 802,174,614

802,174,614
Factor Arrows
2401,087,307
Factor Arrows
3133,695,769
Factor Arrows
177,864,457
Factor Arrows
71110,767
Factor Arrows
257431

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, 17, 71, 257, 431

We can check our work by multiplying all of the prime factors together: 2 x 3 x 17 x 71 x 257 x 431 = 802,174,614

This can also be written as 21 x 31 x 171 x 711 x 2571 x 4311 = 802,174,614

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


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