Q: What are the prime factors of the number 556,560?

 A: 2, 3, 5, 773

Why are those the prime factors of the number 556,560?

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 556,560

556,560
Factor Arrows
2278,280
Factor Arrows
2139,140
Factor Arrows
269,570
Factor Arrows
234,785
Factor Arrows
311,595
Factor Arrows
33,865
Factor Arrows
5773

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, 5, 773

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 773 = 556,560

This can also be written as 24 x 32 x 51 x 7731 = 556,560

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


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