Q: What are the prime factors of the number 276,451,518?

 A: 2, 3, 7, 17, 387187

Why are those the prime factors of the number 276,451,518?

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 276,451,518

276,451,518
Factor Arrows
2138,225,759
Factor Arrows
346,075,253
Factor Arrows
76,582,179
Factor Arrows
17387,187

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, 387187

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 17 x 387,187 = 276,451,518

This can also be written as 21 x 31 x 71 x 171 x 387,1871 = 276,451,518

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 276,451,518:


Ask a Question