Q: What are the prime factors of the number 77,725,162?

 A: 2, 19, 29, 251, 281

Why are those the prime factors of the number 77,725,162?

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 77,725,162

77,725,162
Factor Arrows
238,862,581
Factor Arrows
192,045,399
Factor Arrows
2970,531
Factor Arrows
251281

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, 19, 29, 251, 281

We can check our work by multiplying all of the prime factors together: 2 x 19 x 29 x 251 x 281 = 77,725,162

This can also be written as 21 x 191 x 291 x 2511 x 2811 = 77,725,162

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 77,725,162:


Ask a Question