Q: What are the prime factors of the number 671,130,264?

 A: 2, 3, 7, 81527

Why are those the prime factors of the number 671,130,264?

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 671,130,264

671,130,264
Factor Arrows
2335,565,132
Factor Arrows
2167,782,566
Factor Arrows
283,891,283
Factor Arrows
327,963,761
Factor Arrows
73,994,823
Factor Arrows
7570,689
Factor Arrows
781,527

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, 7, 81527

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 7 x 7 x 81,527 = 671,130,264

This can also be written as 23 x 31 x 73 x 81,5271 = 671,130,264

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


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