Q: What are the prime factors of the number 616,052,640?

 A: 2, 3, 5, 7, 183349

Why are those the prime factors of the number 616,052,640?

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 616,052,640

616,052,640
Factor Arrows
2308,026,320
Factor Arrows
2154,013,160
Factor Arrows
277,006,580
Factor Arrows
238,503,290
Factor Arrows
219,251,645
Factor Arrows
36,417,215
Factor Arrows
51,283,443
Factor Arrows
7183,349

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, 5, 7, 183349

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 7 x 183,349 = 616,052,640

This can also be written as 25 x 31 x 51 x 71 x 183,3491 = 616,052,640

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


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