Q: What are the prime factors of the number 925,740?

 A: 2, 3, 5, 37, 139

Why are those the prime factors of the number 925,740?

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 925,740

925,740
Factor Arrows
2462,870
Factor Arrows
2231,435
Factor Arrows
377,145
Factor Arrows
325,715
Factor Arrows
55,143
Factor Arrows
37139

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, 5, 37, 139

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 37 x 139 = 925,740

This can also be written as 22 x 32 x 51 x 371 x 1391 = 925,740

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


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