Q: What are the prime factors of the number 148,156,225?

 A: 5, 7, 23, 36809

Why are those the prime factors of the number 148,156,225?

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 148,156,225

148,156,225
Factor Arrows
529,631,245
Factor Arrows
55,926,249
Factor Arrows
7846,607
Factor Arrows
2336,809

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:

5, 7, 23, 36809

We can check our work by multiplying all of the prime factors together: 5 x 5 x 7 x 23 x 36,809 = 148,156,225

This can also be written as 52 x 71 x 231 x 36,8091 = 148,156,225

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


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