Q: What are the prime factors of the number 37,025,408?

 A: 2, 7, 31, 43

Why are those the prime factors of the number 37,025,408?

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 37,025,408

37,025,408
Factor Arrows
218,512,704
Factor Arrows
29,256,352
Factor Arrows
24,628,176
Factor Arrows
22,314,088
Factor Arrows
21,157,044
Factor Arrows
2578,522
Factor Arrows
2289,261
Factor Arrows
741,323
Factor Arrows
311,333
Factor Arrows
3143

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, 7, 31, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7 x 31 x 31 x 43 = 37,025,408

This can also be written as 27 x 71 x 312 x 431 = 37,025,408

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


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