Q: What are the prime factors of the number 141,103,584?

 A: 2, 3, 489943

Why are those the prime factors of the number 141,103,584?

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 141,103,584

141,103,584
Factor Arrows
270,551,792
Factor Arrows
235,275,896
Factor Arrows
217,637,948
Factor Arrows
28,818,974
Factor Arrows
24,409,487
Factor Arrows
31,469,829
Factor Arrows
3489,943

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, 489943

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 489,943 = 141,103,584

This can also be written as 25 x 32 x 489,9431 = 141,103,584

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


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