Q: What are the prime factors of the number 155,292,880?

 A: 2, 5, 307, 6323

Why are those the prime factors of the number 155,292,880?

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 155,292,880

155,292,880
Factor Arrows
277,646,440
Factor Arrows
238,823,220
Factor Arrows
219,411,610
Factor Arrows
29,705,805
Factor Arrows
51,941,161
Factor Arrows
3076,323

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, 5, 307, 6323

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 307 x 6,323 = 155,292,880

This can also be written as 24 x 51 x 3071 x 6,3231 = 155,292,880

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 155,292,880:


Ask a Question