Q: What are the prime factors of the number 249,191,510?

 A: 2, 5, 24919151

Why are those the prime factors of the number 249,191,510?

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 249,191,510

249,191,510
Factor Arrows
2124,595,755
Factor Arrows
524,919,151

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, 5, 24919151

We can check our work by multiplying all of the prime factors together: 2 x 5 x 24,919,151 = 249,191,510

This can also be written as 21 x 51 x 24,919,1511 = 249,191,510

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


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