Q: What are the prime factors of the number 133,342,216?

 A: 2, 7, 383, 6217

Why are those the prime factors of the number 133,342,216?

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 133,342,216

133,342,216
Factor Arrows
266,671,108
Factor Arrows
233,335,554
Factor Arrows
216,667,777
Factor Arrows
72,381,111
Factor Arrows
3836,217

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, 383, 6217

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 383 x 6,217 = 133,342,216

This can also be written as 23 x 71 x 3831 x 6,2171 = 133,342,216

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


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