Q: What are the prime factors of the number 51,472,330?

 A: 2, 5, 7, 13, 19, 229

Why are those the prime factors of the number 51,472,330?

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 51,472,330

51,472,330
Factor Arrows
225,736,165
Factor Arrows
55,147,233
Factor Arrows
7735,319
Factor Arrows
1356,563
Factor Arrows
134,351
Factor Arrows
19229

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, 5, 7, 13, 19, 229

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 13 x 13 x 19 x 229 = 51,472,330

This can also be written as 21 x 51 x 71 x 132 x 191 x 2291 = 51,472,330

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 51,472,330:


Ask a Question