Q: What are the prime factors of the number 2,977,344?

 A: 2, 3, 1723

Why are those the prime factors of the number 2,977,344?

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 2,977,344

2,977,344
Factor Arrows
21,488,672
Factor Arrows
2744,336
Factor Arrows
2372,168
Factor Arrows
2186,084
Factor Arrows
293,042
Factor Arrows
246,521
Factor Arrows
315,507
Factor Arrows
35,169
Factor Arrows
31,723

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, 1723

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 3 x 3 x 3 x 1,723 = 2,977,344

This can also be written as 26 x 33 x 1,7231 = 2,977,344

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


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