Q: What are the prime factors of the number 278,361,535?

 A: 5, 71, 784117

Why are those the prime factors of the number 278,361,535?

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 278,361,535

278,361,535
Factor Arrows
555,672,307
Factor Arrows
71784,117

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:

5, 71, 784117

We can check our work by multiplying all of the prime factors together: 5 x 71 x 784,117 = 278,361,535

This can also be written as 51 x 711 x 784,1171 = 278,361,535

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 278,361,535:


Ask a Question