Q: What are the prime factors of the number 141,440,320?

 A: 2, 5, 7, 233, 271

Why are those the prime factors of the number 141,440,320?

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 141,440,320

141,440,320
Factor Arrows
270,720,160
Factor Arrows
235,360,080
Factor Arrows
217,680,040
Factor Arrows
28,840,020
Factor Arrows
24,420,010
Factor Arrows
22,210,005
Factor Arrows
5442,001
Factor Arrows
763,143
Factor Arrows
233271

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, 7, 233, 271

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 5 x 7 x 233 x 271 = 141,440,320

This can also be written as 26 x 51 x 71 x 2331 x 2711 = 141,440,320

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 141,440,320:


Ask a Question