Q: What are the prime factors of the number 25,034,646?

 A: 2, 3, 7, 13, 3527

Why are those the prime factors of the number 25,034,646?

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 25,034,646

25,034,646
Factor Arrows
212,517,323
Factor Arrows
34,172,441
Factor Arrows
7596,063
Factor Arrows
1345,851
Factor Arrows
133,527

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, 7, 13, 3527

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 13 x 13 x 3,527 = 25,034,646

This can also be written as 21 x 31 x 71 x 132 x 3,5271 = 25,034,646

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


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