Q: What are the prime factors of the number 77,353,104?

 A: 2, 3, 19, 89, 953

Why are those the prime factors of the number 77,353,104?

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 77,353,104

77,353,104
Factor Arrows
238,676,552
Factor Arrows
219,338,276
Factor Arrows
29,669,138
Factor Arrows
24,834,569
Factor Arrows
31,611,523
Factor Arrows
1984,817
Factor Arrows
89953

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, 19, 89, 953

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 19 x 89 x 953 = 77,353,104

This can also be written as 24 x 31 x 191 x 891 x 9531 = 77,353,104

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


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