Q: What are the prime factors of the number 457,466,438?

 A: 2, 11, 13, 41, 3001

Why are those the prime factors of the number 457,466,438?

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 457,466,438

457,466,438
Factor Arrows
2228,733,219
Factor Arrows
1120,793,929
Factor Arrows
131,599,533
Factor Arrows
13123,041
Factor Arrows
413,001

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, 11, 13, 41, 3001

We can check our work by multiplying all of the prime factors together: 2 x 11 x 13 x 13 x 41 x 3,001 = 457,466,438

This can also be written as 21 x 111 x 132 x 411 x 3,0011 = 457,466,438

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


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