Q: What are the prime factors of the number 30,626,000?

 A: 2, 5, 15313

Why are those the prime factors of the number 30,626,000?

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 30,626,000

30,626,000
Factor Arrows
215,313,000
Factor Arrows
27,656,500
Factor Arrows
23,828,250
Factor Arrows
21,914,125
Factor Arrows
5382,825
Factor Arrows
576,565
Factor Arrows
515,313

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, 5, 15313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 5 x 15,313 = 30,626,000

This can also be written as 24 x 53 x 15,3131 = 30,626,000

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


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