Q: What are the prime factors of the number 742,636?

 A: 2, 31, 53, 113

Why are those the prime factors of the number 742,636?

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 742,636

742,636
Factor Arrows
2371,318
Factor Arrows
2185,659
Factor Arrows
315,989
Factor Arrows
53113

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, 31, 53, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 31 x 53 x 113 = 742,636

This can also be written as 22 x 311 x 531 x 1131 = 742,636

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


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