Q: What are the prime factors of the number 34,574,220?

 A: 2, 3, 5, 401, 479

Why are those the prime factors of the number 34,574,220?

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 34,574,220

34,574,220
Factor Arrows
217,287,110
Factor Arrows
28,643,555
Factor Arrows
32,881,185
Factor Arrows
3960,395
Factor Arrows
5192,079
Factor Arrows
401479

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, 401, 479

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 401 x 479 = 34,574,220

This can also be written as 22 x 32 x 51 x 4011 x 4791 = 34,574,220

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


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