Q: What are the prime factors of the number 30,565,566?

 A: 2, 3, 19, 31

Why are those the prime factors of the number 30,565,566?

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 30,565,566

30,565,566
Factor Arrows
215,282,783
Factor Arrows
35,094,261
Factor Arrows
31,698,087
Factor Arrows
3566,029
Factor Arrows
1929,791
Factor Arrows
31961
Factor Arrows
3131

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, 19, 31

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 19 x 31 x 31 x 31 = 30,565,566

This can also be written as 21 x 33 x 191 x 313 = 30,565,566

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


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