Q: What are the prime factors of the number 142,120,864?

 A: 2, 23, 31, 6229

Why are those the prime factors of the number 142,120,864?

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 142,120,864

142,120,864
Factor Arrows
271,060,432
Factor Arrows
235,530,216
Factor Arrows
217,765,108
Factor Arrows
28,882,554
Factor Arrows
24,441,277
Factor Arrows
23193,099
Factor Arrows
316,229

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, 23, 31, 6229

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 23 x 31 x 6,229 = 142,120,864

This can also be written as 25 x 231 x 311 x 6,2291 = 142,120,864

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 142,120,864:


Ask a Question