Q: What are the prime factors of the number 74,298?

 A: 2, 3, 7, 29, 61

Why are those the prime factors of the number 74,298?

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 74,298

74,298
Factor Arrows
237,149
Factor Arrows
312,383
Factor Arrows
71,769
Factor Arrows
2961

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, 7, 29, 61

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 29 x 61 = 74,298

This can also be written as 21 x 31 x 71 x 291 x 611 = 74,298

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


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 74,298:


Ask a Question