Q: What are the prime factors of the number 474,477,770?

 A: 2, 5, 13, 463, 7883

Why are those the prime factors of the number 474,477,770?

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 474,477,770

474,477,770
Factor Arrows
2237,238,885
Factor Arrows
547,447,777
Factor Arrows
133,649,829
Factor Arrows
4637,883

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, 13, 463, 7883

We can check our work by multiplying all of the prime factors together: 2 x 5 x 13 x 463 x 7,883 = 474,477,770

This can also be written as 21 x 51 x 131 x 4631 x 7,8831 = 474,477,770

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


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