Q: What are the prime factors of the number 142,252,240?

 A: 2, 5, 13, 19, 23, 313

Why are those the prime factors of the number 142,252,240?

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 142,252,240

142,252,240
Factor Arrows
271,126,120
Factor Arrows
235,563,060
Factor Arrows
217,781,530
Factor Arrows
28,890,765
Factor Arrows
51,778,153
Factor Arrows
13136,781
Factor Arrows
197,199
Factor Arrows
23313

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, 13, 19, 23, 313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 13 x 19 x 23 x 313 = 142,252,240

This can also be written as 24 x 51 x 131 x 191 x 231 x 3131 = 142,252,240

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 142,252,240:


Ask a Question