Q: What are the prime factors of the number 30,320,100?

 A: 2, 3, 5, 59, 571

Why are those the prime factors of the number 30,320,100?

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 30,320,100

30,320,100
Factor Arrows
215,160,050
Factor Arrows
27,580,025
Factor Arrows
32,526,675
Factor Arrows
3842,225
Factor Arrows
5168,445
Factor Arrows
533,689
Factor Arrows
59571

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, 59, 571

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 5 x 59 x 571 = 30,320,100

This can also be written as 22 x 32 x 52 x 591 x 5711 = 30,320,100

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


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