Q: What are the prime factors of the number 310,041,130?

 A: 2, 5, 7, 37, 349

Why are those the prime factors of the number 310,041,130?

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 310,041,130

310,041,130
Factor Arrows
2155,020,565
Factor Arrows
531,004,113
Factor Arrows
74,429,159
Factor Arrows
7632,737
Factor Arrows
790,391
Factor Arrows
712,913
Factor Arrows
37349

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, 5, 7, 37, 349

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 7 x 7 x 7 x 37 x 349 = 310,041,130

This can also be written as 21 x 51 x 74 x 371 x 3491 = 310,041,130

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


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