Q: What are the prime factors of the number 626,021,056?

 A: 2, 17, 37, 15551

Why are those the prime factors of the number 626,021,056?

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 626,021,056

626,021,056
Factor Arrows
2313,010,528
Factor Arrows
2156,505,264
Factor Arrows
278,252,632
Factor Arrows
239,126,316
Factor Arrows
219,563,158
Factor Arrows
29,781,579
Factor Arrows
17575,387
Factor Arrows
3715,551

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, 17, 37, 15551

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 17 x 37 x 15,551 = 626,021,056

This can also be written as 26 x 171 x 371 x 15,5511 = 626,021,056

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


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