Q: What are the prime factors of the number 30,530,448?

 A: 2, 3, 13, 47, 347

Why are those the prime factors of the number 30,530,448?

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 30,530,448

30,530,448
Factor Arrows
215,265,224
Factor Arrows
27,632,612
Factor Arrows
23,816,306
Factor Arrows
21,908,153
Factor Arrows
3636,051
Factor Arrows
3212,017
Factor Arrows
1316,309
Factor Arrows
47347

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, 13, 47, 347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 13 x 47 x 347 = 30,530,448

This can also be written as 24 x 32 x 131 x 471 x 3471 = 30,530,448

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


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