Q: What are the prime factors of the number 154,541,322?

 A: 2, 3, 13, 17, 53, 733

Why are those the prime factors of the number 154,541,322?

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 154,541,322

154,541,322
Factor Arrows
277,270,661
Factor Arrows
325,756,887
Factor Arrows
38,585,629
Factor Arrows
13660,433
Factor Arrows
1738,849
Factor Arrows
53733

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, 17, 53, 733

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 13 x 17 x 53 x 733 = 154,541,322

This can also be written as 21 x 32 x 131 x 171 x 531 x 7331 = 154,541,322

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


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