Q: What are the prime factors of the number 783,258?

 A: 2, 3, 7, 17, 1097

Why are those the prime factors of the number 783,258?

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 783,258

783,258
Factor Arrows
2391,629
Factor Arrows
3130,543
Factor Arrows
718,649
Factor Arrows
171,097

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, 17, 1097

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 17 x 1,097 = 783,258

This can also be written as 21 x 31 x 71 x 171 x 1,0971 = 783,258

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 783,258:


Ask a Question