Q: What are the prime factors of the number 354,263,744?

 A: 2, 73, 191, 397

Why are those the prime factors of the number 354,263,744?

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 354,263,744

354,263,744
Factor Arrows
2177,131,872
Factor Arrows
288,565,936
Factor Arrows
244,282,968
Factor Arrows
222,141,484
Factor Arrows
211,070,742
Factor Arrows
25,535,371
Factor Arrows
7375,827
Factor Arrows
191397

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, 73, 191, 397

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 73 x 191 x 397 = 354,263,744

This can also be written as 26 x 731 x 1911 x 3971 = 354,263,744

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 354,263,744:


Ask a Question