Q: What are the prime factors of the number 552,334,420?

 A: 2, 5, 11, 17, 23, 6421

Why are those the prime factors of the number 552,334,420?

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 552,334,420

552,334,420
Factor Arrows
2276,167,210
Factor Arrows
2138,083,605
Factor Arrows
527,616,721
Factor Arrows
112,510,611
Factor Arrows
17147,683
Factor Arrows
236,421

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, 17, 23, 6421

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 17 x 23 x 6,421 = 552,334,420

This can also be written as 22 x 51 x 111 x 171 x 231 x 6,4211 = 552,334,420

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


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