Q: What are the prime factors of the number 98,221,051?

 A: 19, 31, 37, 4507

Why are those the prime factors of the number 98,221,051?

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 98,221,051

98,221,051
Factor Arrows
195,169,529
Factor Arrows
31166,759
Factor Arrows
374,507

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:

19, 31, 37, 4507

We can check our work by multiplying all of the prime factors together: 19 x 31 x 37 x 4,507 = 98,221,051

This can also be written as 191 x 311 x 371 x 4,5071 = 98,221,051

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


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