Q: What are the prime factors of the number 7,438,750?

 A: 2, 5, 11, 541

Why are those the prime factors of the number 7,438,750?

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 7,438,750

7,438,750
Factor Arrows
23,719,375
Factor Arrows
5743,875
Factor Arrows
5148,775
Factor Arrows
529,755
Factor Arrows
55,951
Factor Arrows
11541

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, 11, 541

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 5 x 11 x 541 = 7,438,750

This can also be written as 21 x 54 x 111 x 5411 = 7,438,750

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


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