Q: What are the prime factors of the number 38,387,190?

 A: 2, 3, 5, 17, 75269

Why are those the prime factors of the number 38,387,190?

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 38,387,190

38,387,190
Factor Arrows
219,193,595
Factor Arrows
36,397,865
Factor Arrows
51,279,573
Factor Arrows
1775,269

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, 17, 75269

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 17 x 75,269 = 38,387,190

This can also be written as 21 x 31 x 51 x 171 x 75,2691 = 38,387,190

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


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