Q: What are the prime factors of the number 105,545,152?

 A: 2, 19, 29, 41, 73

Why are those the prime factors of the number 105,545,152?

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 105,545,152

105,545,152
Factor Arrows
252,772,576
Factor Arrows
226,386,288
Factor Arrows
213,193,144
Factor Arrows
26,596,572
Factor Arrows
23,298,286
Factor Arrows
21,649,143
Factor Arrows
1986,797
Factor Arrows
292,993
Factor Arrows
4173

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, 41, 73

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 19 x 29 x 41 x 73 = 105,545,152

This can also be written as 26 x 191 x 291 x 411 x 731 = 105,545,152

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 105,545,152:


Ask a Question