Q: What are the prime factors of the number 154,515,460?

 A: 2, 5, 11, 229, 3067

Why are those the prime factors of the number 154,515,460?

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 154,515,460

154,515,460
Factor Arrows
277,257,730
Factor Arrows
238,628,865
Factor Arrows
57,725,773
Factor Arrows
11702,343
Factor Arrows
2293,067

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, 5, 11, 229, 3067

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 229 x 3,067 = 154,515,460

This can also be written as 22 x 51 x 111 x 2291 x 3,0671 = 154,515,460

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


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