Q: What are the prime factors of the number 78,642,236?

 A: 2, 101, 194659

Why are those the prime factors of the number 78,642,236?

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 78,642,236

78,642,236
Factor Arrows
239,321,118
Factor Arrows
219,660,559
Factor Arrows
101194,659

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, 101, 194659

We can check our work by multiplying all of the prime factors together: 2 x 2 x 101 x 194,659 = 78,642,236

This can also be written as 22 x 1011 x 194,6591 = 78,642,236

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


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