Q: What are the prime factors of the number 37,078,144?

 A: 2, 37, 7829

Why are those the prime factors of the number 37,078,144?

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 37,078,144

37,078,144
Factor Arrows
218,539,072
Factor Arrows
29,269,536
Factor Arrows
24,634,768
Factor Arrows
22,317,384
Factor Arrows
21,158,692
Factor Arrows
2579,346
Factor Arrows
2289,673
Factor Arrows
377,829

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, 37, 7829

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 37 x 7,829 = 37,078,144

This can also be written as 27 x 371 x 7,8291 = 37,078,144

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


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