Q: What are the prime factors of the number 55,003,300?

 A: 2, 5, 11, 31, 1613

Why are those the prime factors of the number 55,003,300?

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 55,003,300

55,003,300
Factor Arrows
227,501,650
Factor Arrows
213,750,825
Factor Arrows
52,750,165
Factor Arrows
5550,033
Factor Arrows
1150,003
Factor Arrows
311,613

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, 31, 1613

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 11 x 31 x 1,613 = 55,003,300

This can also be written as 22 x 52 x 111 x 311 x 1,6131 = 55,003,300

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


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