Q: What are the prime factors of the number 290,048?

 A: 2, 11, 103

Why are those the prime factors of the number 290,048?

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 290,048

290,048
Factor Arrows
2145,024
Factor Arrows
272,512
Factor Arrows
236,256
Factor Arrows
218,128
Factor Arrows
29,064
Factor Arrows
24,532
Factor Arrows
22,266
Factor Arrows
21,133
Factor Arrows
11103

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, 11, 103

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 11 x 103 = 290,048

This can also be written as 28 x 111 x 1031 = 290,048

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 290,048:


Ask a Question