Q: What are the prime factors of the number 354,502,000?

 A: 2, 5, 19, 491

Why are those the prime factors of the number 354,502,000?

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 354,502,000

354,502,000
Factor Arrows
2177,251,000
Factor Arrows
288,625,500
Factor Arrows
244,312,750
Factor Arrows
222,156,375
Factor Arrows
54,431,275
Factor Arrows
5886,255
Factor Arrows
5177,251
Factor Arrows
199,329
Factor Arrows
19491

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, 19, 491

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 5 x 19 x 19 x 491 = 354,502,000

This can also be written as 24 x 53 x 192 x 4911 = 354,502,000

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 354,502,000:


Ask a Question