Q: What are the prime factors of the number 53,912,320?

 A: 2, 5, 7, 11, 547

Why are those the prime factors of the number 53,912,320?

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 53,912,320

53,912,320
Factor Arrows
226,956,160
Factor Arrows
213,478,080
Factor Arrows
26,739,040
Factor Arrows
23,369,520
Factor Arrows
21,684,760
Factor Arrows
2842,380
Factor Arrows
2421,190
Factor Arrows
2210,595
Factor Arrows
542,119
Factor Arrows
76,017
Factor Arrows
11547

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, 11, 547

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 2 x 2 x 5 x 7 x 11 x 547 = 53,912,320

This can also be written as 28 x 51 x 71 x 111 x 5471 = 53,912,320

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 53,912,320:


Ask a Question