Q: What are the prime factors of the number 425,415,452?

 A: 2, 7, 11, 23, 373

Why are those the prime factors of the number 425,415,452?

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 425,415,452

425,415,452
Factor Arrows
2212,707,726
Factor Arrows
2106,353,863
Factor Arrows
715,193,409
Factor Arrows
72,170,487
Factor Arrows
11197,317
Factor Arrows
238,579
Factor Arrows
23373

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, 7, 11, 23, 373

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 11 x 23 x 23 x 373 = 425,415,452

This can also be written as 22 x 72 x 111 x 232 x 3731 = 425,415,452

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


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