Q: What are the prime factors of the number 424,310,205?

 A: 3, 5, 11, 61, 42157

Why are those the prime factors of the number 424,310,205?

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 424,310,205

424,310,205
Factor Arrows
3141,436,735
Factor Arrows
528,287,347
Factor Arrows
112,571,577
Factor Arrows
6142,157

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, 11, 61, 42157

We can check our work by multiplying all of the prime factors together: 3 x 5 x 11 x 61 x 42,157 = 424,310,205

This can also be written as 31 x 51 x 111 x 611 x 42,1571 = 424,310,205

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


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