Q: What are the prime factors of the number 105,141,880?

 A: 2, 5, 43, 61129

Why are those the prime factors of the number 105,141,880?

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 105,141,880

105,141,880
Factor Arrows
252,570,940
Factor Arrows
226,285,470
Factor Arrows
213,142,735
Factor Arrows
52,628,547
Factor Arrows
4361,129

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, 43, 61129

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 43 x 61,129 = 105,141,880

This can also be written as 23 x 51 x 431 x 61,1291 = 105,141,880

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 105,141,880:


Ask a Question