Q: What are the prime factors of the number 278,374,482?

 A: 2, 3, 31, 2053

Why are those the prime factors of the number 278,374,482?

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 278,374,482

278,374,482
Factor Arrows
2139,187,241
Factor Arrows
346,395,747
Factor Arrows
315,465,249
Factor Arrows
35,155,083
Factor Arrows
31,718,361
Factor Arrows
3572,787
Factor Arrows
3190,929
Factor Arrows
363,643
Factor Arrows
312,053

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, 31, 2053

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 31 x 2,053 = 278,374,482

This can also be written as 21 x 37 x 311 x 2,0531 = 278,374,482

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 278,374,482:


Ask a Question