Q: What are the prime factors of the number 42,914,235?

 A: 3, 5, 7, 13, 149, 211

Why are those the prime factors of the number 42,914,235?

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 42,914,235

42,914,235
Factor Arrows
314,304,745
Factor Arrows
52,860,949
Factor Arrows
7408,707
Factor Arrows
1331,439
Factor Arrows
149211

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, 7, 13, 149, 211

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 13 x 149 x 211 = 42,914,235

This can also be written as 31 x 51 x 71 x 131 x 1491 x 2111 = 42,914,235

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


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