Q: What are the prime factors of the number 28,166,250?

 A: 2, 3, 5, 7, 29, 37

Why are those the prime factors of the number 28,166,250?

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 28,166,250

28,166,250
Factor Arrows
214,083,125
Factor Arrows
34,694,375
Factor Arrows
5938,875
Factor Arrows
5187,775
Factor Arrows
537,555
Factor Arrows
57,511
Factor Arrows
71,073
Factor Arrows
2937

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, 7, 29, 37

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 5 x 5 x 7 x 29 x 37 = 28,166,250

This can also be written as 21 x 31 x 54 x 71 x 291 x 371 = 28,166,250

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 28,166,250:


Ask a Question