Q: What are the prime factors of the number 353,536?

 A: 2, 1381

Why are those the prime factors of the number 353,536?

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 353,536

353,536
Factor Arrows
2176,768
Factor Arrows
288,384
Factor Arrows
244,192
Factor Arrows
222,096
Factor Arrows
211,048
Factor Arrows
25,524
Factor Arrows
22,762
Factor Arrows
21,381

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, 1381

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 1,381 = 353,536

This can also be written as 28 x 1,3811 = 353,536

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 353,536:


Ask a Question