Q: What are the prime factors of the number 30,154,356?

 A: 2, 3, 383

Why are those the prime factors of the number 30,154,356?

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 30,154,356

30,154,356
Factor Arrows
215,077,178
Factor Arrows
27,538,589
Factor Arrows
32,512,863
Factor Arrows
3837,621
Factor Arrows
3279,207
Factor Arrows
393,069
Factor Arrows
331,023
Factor Arrows
310,341
Factor Arrows
33,447
Factor Arrows
31,149
Factor Arrows
3383

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, 383

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 383 = 30,154,356

This can also be written as 22 x 39 x 3831 = 30,154,356

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


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