Q: What are the prime factors of the number 98,047,104?

 A: 2, 3, 311, 821

Why are those the prime factors of the number 98,047,104?

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 98,047,104

98,047,104
Factor Arrows
249,023,552
Factor Arrows
224,511,776
Factor Arrows
212,255,888
Factor Arrows
26,127,944
Factor Arrows
23,063,972
Factor Arrows
21,531,986
Factor Arrows
2765,993
Factor Arrows
3255,331
Factor Arrows
311821

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, 311, 821

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 311 x 821 = 98,047,104

This can also be written as 27 x 31 x 3111 x 8211 = 98,047,104

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


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