Q: What are the prime factors of the number 154,556,563?

 A: 7, 71, 101, 3079

Why are those the prime factors of the number 154,556,563?

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 154,556,563

154,556,563
Factor Arrows
722,079,509
Factor Arrows
71310,979
Factor Arrows
1013,079

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:

7, 71, 101, 3079

We can check our work by multiplying all of the prime factors together: 7 x 71 x 101 x 3,079 = 154,556,563

This can also be written as 71 x 711 x 1011 x 3,0791 = 154,556,563

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


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