Q: What are the prime factors of the number 153,143,001?

 A: 3, 11, 61, 79, 107

Why are those the prime factors of the number 153,143,001?

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 153,143,001

153,143,001
Factor Arrows
351,047,667
Factor Arrows
317,015,889
Factor Arrows
35,671,963
Factor Arrows
11515,633
Factor Arrows
618,453
Factor Arrows
79107

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:

3, 11, 61, 79, 107

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 61 x 79 x 107 = 153,143,001

This can also be written as 33 x 111 x 611 x 791 x 1071 = 153,143,001

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


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