Q: What are the prime factors of the number 103,747,760?

 A: 2, 5, 317, 4091

Why are those the prime factors of the number 103,747,760?

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 103,747,760

103,747,760
Factor Arrows
251,873,880
Factor Arrows
225,936,940
Factor Arrows
212,968,470
Factor Arrows
26,484,235
Factor Arrows
51,296,847
Factor Arrows
3174,091

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, 317, 4091

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 317 x 4,091 = 103,747,760

This can also be written as 24 x 51 x 3171 x 4,0911 = 103,747,760

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 103,747,760:


Ask a Question