Q: What are the prime factors of the number 39,479,150?

 A: 2, 5, 19, 29, 1433

Why are those the prime factors of the number 39,479,150?

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 39,479,150

39,479,150
Factor Arrows
219,739,575
Factor Arrows
53,947,915
Factor Arrows
5789,583
Factor Arrows
1941,557
Factor Arrows
291,433

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, 19, 29, 1433

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 19 x 29 x 1,433 = 39,479,150

This can also be written as 21 x 52 x 191 x 291 x 1,4331 = 39,479,150

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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