Q: What are the prime factors of the number 53,112,216?

 A: 2, 3, 17, 349, 373

Why are those the prime factors of the number 53,112,216?

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 53,112,216

53,112,216
Factor Arrows
226,556,108
Factor Arrows
213,278,054
Factor Arrows
26,639,027
Factor Arrows
32,213,009
Factor Arrows
17130,177
Factor Arrows
349373

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, 3, 17, 349, 373

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 17 x 349 x 373 = 53,112,216

This can also be written as 23 x 31 x 171 x 3491 x 3731 = 53,112,216

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


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