Q: What are the prime factors of the number 12,574,035?

 A: 3, 5, 79, 131

Why are those the prime factors of the number 12,574,035?

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 12,574,035

12,574,035
Factor Arrows
34,191,345
Factor Arrows
31,397,115
Factor Arrows
3465,705
Factor Arrows
3155,235
Factor Arrows
351,745
Factor Arrows
510,349
Factor Arrows
79131

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:

3, 5, 79, 131

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 5 x 79 x 131 = 12,574,035

This can also be written as 35 x 51 x 791 x 1311 = 12,574,035

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


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