Q: What are the prime factors of the number 1,580,616?

 A: 2, 3, 29, 757

Why are those the prime factors of the number 1,580,616?

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 1,580,616

1,580,616
Factor Arrows
2790,308
Factor Arrows
2395,154
Factor Arrows
2197,577
Factor Arrows
365,859
Factor Arrows
321,953
Factor Arrows
29757

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, 29, 757

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 29 x 757 = 1,580,616

This can also be written as 23 x 32 x 291 x 7571 = 1,580,616

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


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