Q: What are the prime factors of the number 1,915,552?

 A: 2, 31, 1931

Why are those the prime factors of the number 1,915,552?

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 1,915,552

1,915,552
Factor Arrows
2957,776
Factor Arrows
2478,888
Factor Arrows
2239,444
Factor Arrows
2119,722
Factor Arrows
259,861
Factor Arrows
311,931

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, 31, 1931

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 31 x 1,931 = 1,915,552

This can also be written as 25 x 311 x 1,9311 = 1,915,552

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


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