Q: What are the prime factors of the number 361,131,276?

 A: 2, 3, 11, 31, 71, 113

Why are those the prime factors of the number 361,131,276?

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 361,131,276

361,131,276
Factor Arrows
2180,565,638
Factor Arrows
290,282,819
Factor Arrows
330,094,273
Factor Arrows
112,735,843
Factor Arrows
11248,713
Factor Arrows
318,023
Factor Arrows
71113

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, 11, 31, 71, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 11 x 31 x 71 x 113 = 361,131,276

This can also be written as 22 x 31 x 112 x 311 x 711 x 1131 = 361,131,276

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 361,131,276:


Ask a Question