Q: What are the prime factors of the number 42,812,484?

 A: 2, 3, 11, 13, 61, 409

Why are those the prime factors of the number 42,812,484?

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 42,812,484

42,812,484
Factor Arrows
221,406,242
Factor Arrows
210,703,121
Factor Arrows
33,567,707
Factor Arrows
11324,337
Factor Arrows
1324,949
Factor Arrows
61409

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, 11, 13, 61, 409

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 13 x 61 x 409 = 42,812,484

This can also be written as 22 x 31 x 111 x 131 x 611 x 4091 = 42,812,484

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


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