Q: What are the prime factors of the number 55,424,551?

 A: 7, 13, 751, 811

Why are those the prime factors of the number 55,424,551?

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 55,424,551

55,424,551
Factor Arrows
77,917,793
Factor Arrows
13609,061
Factor Arrows
751811

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, 13, 751, 811

We can check our work by multiplying all of the prime factors together: 7 x 13 x 751 x 811 = 55,424,551

This can also be written as 71 x 131 x 7511 x 8111 = 55,424,551

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


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