Q: What are the prime factors of the number 133,020,048?

 A: 2, 3, 7, 149, 2657

Why are those the prime factors of the number 133,020,048?

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 133,020,048

133,020,048
Factor Arrows
266,510,024
Factor Arrows
233,255,012
Factor Arrows
216,627,506
Factor Arrows
28,313,753
Factor Arrows
32,771,251
Factor Arrows
7395,893
Factor Arrows
1492,657

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, 7, 149, 2657

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 149 x 2,657 = 133,020,048

This can also be written as 24 x 31 x 71 x 1491 x 2,6571 = 133,020,048

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


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