Q: What are the prime factors of the number 42,503,232?

 A: 2, 3, 31, 37, 193

Why are those the prime factors of the number 42,503,232?

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 42,503,232

42,503,232
Factor Arrows
221,251,616
Factor Arrows
210,625,808
Factor Arrows
25,312,904
Factor Arrows
22,656,452
Factor Arrows
21,328,226
Factor Arrows
2664,113
Factor Arrows
3221,371
Factor Arrows
317,141
Factor Arrows
37193

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, 3, 31, 37, 193

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 3 x 31 x 37 x 193 = 42,503,232

This can also be written as 26 x 31 x 311 x 371 x 1931 = 42,503,232

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 42,503,232:


Ask a Question