Q: What are the prime factors of the number 55,353,424?

 A: 2, 7, 313, 1579

Why are those the prime factors of the number 55,353,424?

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 55,353,424

55,353,424
Factor Arrows
227,676,712
Factor Arrows
213,838,356
Factor Arrows
26,919,178
Factor Arrows
23,459,589
Factor Arrows
7494,227
Factor Arrows
3131,579

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, 7, 313, 1579

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 313 x 1,579 = 55,353,424

This can also be written as 24 x 71 x 3131 x 1,5791 = 55,353,424

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


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