Q: What are the prime factors of the number 253,667,700?

 A: 2, 3, 5, 11, 13, 73

Why are those the prime factors of the number 253,667,700?

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 253,667,700

253,667,700
Factor Arrows
2126,833,850
Factor Arrows
263,416,925
Factor Arrows
321,138,975
Factor Arrows
37,046,325
Factor Arrows
32,348,775
Factor Arrows
3782,925
Factor Arrows
3260,975
Factor Arrows
552,195
Factor Arrows
510,439
Factor Arrows
11949
Factor Arrows
1373

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, 5, 11, 13, 73

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 5 x 5 x 11 x 13 x 73 = 253,667,700

This can also be written as 22 x 35 x 52 x 111 x 131 x 731 = 253,667,700

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 253,667,700:


Ask a Question