Q: What are the prime factors of the number 45,235,200?

 A: 2, 3, 5, 19, 31

Why are those the prime factors of the number 45,235,200?

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 45,235,200

45,235,200
Factor Arrows
222,617,600
Factor Arrows
211,308,800
Factor Arrows
25,654,400
Factor Arrows
22,827,200
Factor Arrows
21,413,600
Factor Arrows
2706,800
Factor Arrows
2353,400
Factor Arrows
2176,700
Factor Arrows
288,350
Factor Arrows
244,175
Factor Arrows
314,725
Factor Arrows
52,945
Factor Arrows
5589
Factor Arrows
1931

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, 5, 19, 31

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 2 x 2 x 3 x 5 x 5 x 19 x 31 = 45,235,200

This can also be written as 210 x 31 x 52 x 191 x 311 = 45,235,200

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 45,235,200:


Ask a Question