Q: What are the prime factors of the number 156,947,208?

 A: 2, 3, 11, 293, 2029

Why are those the prime factors of the number 156,947,208?

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 156,947,208

156,947,208
Factor Arrows
278,473,604
Factor Arrows
239,236,802
Factor Arrows
219,618,401
Factor Arrows
36,539,467
Factor Arrows
11594,497
Factor Arrows
2932,029

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, 293, 2029

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 293 x 2,029 = 156,947,208

This can also be written as 23 x 31 x 111 x 2931 x 2,0291 = 156,947,208

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 156,947,208:


Ask a Question