Q: What are the prime factors of the number 556,340,770?

 A: 2, 5, 2741, 20297

Why are those the prime factors of the number 556,340,770?

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 556,340,770

556,340,770
Factor Arrows
2278,170,385
Factor Arrows
555,634,077
Factor Arrows
2,74120,297

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, 5, 2741, 20297

We can check our work by multiplying all of the prime factors together: 2 x 5 x 2,741 x 20,297 = 556,340,770

This can also be written as 21 x 51 x 2,7411 x 20,2971 = 556,340,770

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


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