Q: What are the prime factors of the number 210,002,208?

 A: 2, 3, 13, 191, 881

Why are those the prime factors of the number 210,002,208?

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 210,002,208

210,002,208
Factor Arrows
2105,001,104
Factor Arrows
252,500,552
Factor Arrows
226,250,276
Factor Arrows
213,125,138
Factor Arrows
26,562,569
Factor Arrows
32,187,523
Factor Arrows
13168,271
Factor Arrows
191881

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, 13, 191, 881

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 13 x 191 x 881 = 210,002,208

This can also be written as 25 x 31 x 131 x 1911 x 8811 = 210,002,208

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 210,002,208:


Ask a Question