Q: What are the prime factors of the number 37,000,000?

 A: 2, 5, 37

Why are those the prime factors of the number 37,000,000?

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 37,000,000

37,000,000
Factor Arrows
218,500,000
Factor Arrows
29,250,000
Factor Arrows
24,625,000
Factor Arrows
22,312,500
Factor Arrows
21,156,250
Factor Arrows
2578,125
Factor Arrows
5115,625
Factor Arrows
523,125
Factor Arrows
54,625
Factor Arrows
5925
Factor Arrows
5185
Factor Arrows
537

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, 5, 37

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 5 x 5 x 5 x 5 x 5 x 5 x 37 = 37,000,000

This can also be written as 26 x 56 x 371 = 37,000,000

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


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