Q: What are the prime factors of the number 153,443,625?

 A: 3, 5, 37, 11059

Why are those the prime factors of the number 153,443,625?

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 153,443,625

153,443,625
Factor Arrows
351,147,875
Factor Arrows
510,229,575
Factor Arrows
52,045,915
Factor Arrows
5409,183
Factor Arrows
3711,059

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:

3, 5, 37, 11059

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 5 x 37 x 11,059 = 153,443,625

This can also be written as 31 x 53 x 371 x 11,0591 = 153,443,625

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


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