Q: What are the prime factors of the number 154,351,608?

 A: 2, 3, 1381, 4657

Why are those the prime factors of the number 154,351,608?

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 154,351,608

154,351,608
Factor Arrows
277,175,804
Factor Arrows
238,587,902
Factor Arrows
219,293,951
Factor Arrows
36,431,317
Factor Arrows
1,3814,657

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, 1381, 4657

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 1,381 x 4,657 = 154,351,608

This can also be written as 23 x 31 x 1,3811 x 4,6571 = 154,351,608

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


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