Q: What are the prime factors of the number 361,253,100?

 A: 2, 3, 5, 13, 211, 439

Why are those the prime factors of the number 361,253,100?

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 361,253,100

361,253,100
Factor Arrows
2180,626,550
Factor Arrows
290,313,275
Factor Arrows
330,104,425
Factor Arrows
56,020,885
Factor Arrows
51,204,177
Factor Arrows
1392,629
Factor Arrows
211439

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, 13, 211, 439

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 13 x 211 x 439 = 361,253,100

This can also be written as 22 x 31 x 52 x 131 x 2111 x 4391 = 361,253,100

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 361,253,100:


Ask a Question