Q: What are the prime factors of the number 2,570,211?

 A: 3, 7, 1511

Why are those the prime factors of the number 2,570,211?

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 2,570,211

2,570,211
Factor Arrows
3856,737
Factor Arrows
3285,579
Factor Arrows
395,193
Factor Arrows
331,731
Factor Arrows
310,577
Factor Arrows
71,511

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, 1511

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 7 x 1,511 = 2,570,211

This can also be written as 35 x 71 x 1,5111 = 2,570,211

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


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