Q: What are the prime factors of the number 37,975,878?

 A: 2, 3, 53, 4423

Why are those the prime factors of the number 37,975,878?

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 37,975,878

37,975,878
Factor Arrows
218,987,939
Factor Arrows
36,329,313
Factor Arrows
32,109,771
Factor Arrows
3703,257
Factor Arrows
3234,419
Factor Arrows
534,423

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, 53, 4423

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 53 x 4,423 = 37,975,878

This can also be written as 21 x 34 x 531 x 4,4231 = 37,975,878

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


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