Q: What are the prime factors of the number 310,425,150?

 A: 2, 3, 5, 7, 239, 1237

Why are those the prime factors of the number 310,425,150?

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 310,425,150

310,425,150
Factor Arrows
2155,212,575
Factor Arrows
351,737,525
Factor Arrows
510,347,505
Factor Arrows
52,069,501
Factor Arrows
7295,643
Factor Arrows
2391,237

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, 239, 1237

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 7 x 239 x 1,237 = 310,425,150

This can also be written as 21 x 31 x 52 x 71 x 2391 x 1,2371 = 310,425,150

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


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