Q: What are the prime factors of the number 141,461,235?

 A: 3, 5, 173, 673

Why are those the prime factors of the number 141,461,235?

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 141,461,235

141,461,235
Factor Arrows
347,153,745
Factor Arrows
315,717,915
Factor Arrows
35,239,305
Factor Arrows
31,746,435
Factor Arrows
3582,145
Factor Arrows
5116,429
Factor Arrows
173673

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, 173, 673

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 5 x 173 x 673 = 141,461,235

This can also be written as 35 x 51 x 1731 x 6731 = 141,461,235

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


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