Q: What are the prime factors of the number 110,221,335?

 A: 3, 5, 7, 37, 193

Why are those the prime factors of the number 110,221,335?

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 110,221,335

110,221,335
Factor Arrows
336,740,445
Factor Arrows
312,246,815
Factor Arrows
52,449,363
Factor Arrows
7349,909
Factor Arrows
749,987
Factor Arrows
77,141
Factor Arrows
37193

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:

3, 5, 7, 37, 193

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 7 x 7 x 37 x 193 = 110,221,335

This can also be written as 32 x 51 x 73 x 371 x 1931 = 110,221,335

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


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