Q: What are the prime factors of the number 103,021,200?

 A: 2, 3, 5, 9539

Why are those the prime factors of the number 103,021,200?

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 103,021,200

103,021,200
Factor Arrows
251,510,600
Factor Arrows
225,755,300
Factor Arrows
212,877,650
Factor Arrows
26,438,825
Factor Arrows
32,146,275
Factor Arrows
3715,425
Factor Arrows
3238,475
Factor Arrows
547,695
Factor Arrows
59,539

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, 9539

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 9,539 = 103,021,200

This can also be written as 24 x 33 x 52 x 9,5391 = 103,021,200

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 103,021,200:


Ask a Question