Q: What are the prime factors of the number 249,396?

 A: 2, 3, 7, 2969

Why are those the prime factors of the number 249,396?

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 249,396

249,396
Factor Arrows
2124,698
Factor Arrows
262,349
Factor Arrows
320,783
Factor Arrows
72,969

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, 2969

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 2,969 = 249,396

This can also be written as 22 x 31 x 71 x 2,9691 = 249,396

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


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