Q: What are the prime factors of the number 1,846,528?

 A: 2, 7213

Why are those the prime factors of the number 1,846,528?

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 1,846,528

1,846,528
Factor Arrows
2923,264
Factor Arrows
2461,632
Factor Arrows
2230,816
Factor Arrows
2115,408
Factor Arrows
257,704
Factor Arrows
228,852
Factor Arrows
214,426
Factor Arrows
27,213

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, 7213

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 2 x 7,213 = 1,846,528

This can also be written as 28 x 7,2131 = 1,846,528

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


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