Q: What are the prime factors of the number 2,847,537?

 A: 3, 7, 11, 587

Why are those the prime factors of the number 2,847,537?

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 2,847,537

2,847,537
Factor Arrows
3949,179
Factor Arrows
3316,393
Factor Arrows
745,199
Factor Arrows
76,457
Factor Arrows
11587

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:

3, 7, 11, 587

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 7 x 11 x 587 = 2,847,537

This can also be written as 32 x 72 x 111 x 5871 = 2,847,537

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


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