Q: What are the prime factors of the number 149,759,970?

 A: 2, 3, 5, 17, 43, 6829

Why are those the prime factors of the number 149,759,970?

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 149,759,970

149,759,970
Factor Arrows
274,879,985
Factor Arrows
324,959,995
Factor Arrows
54,991,999
Factor Arrows
17293,647
Factor Arrows
436,829

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, 5, 17, 43, 6829

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 17 x 43 x 6,829 = 149,759,970

This can also be written as 21 x 31 x 51 x 171 x 431 x 6,8291 = 149,759,970

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


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