Q: What are the prime factors of the number 47,634,744?

 A: 2, 3, 109, 131, 139

Why are those the prime factors of the number 47,634,744?

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 47,634,744

47,634,744
Factor Arrows
223,817,372
Factor Arrows
211,908,686
Factor Arrows
25,954,343
Factor Arrows
31,984,781
Factor Arrows
10918,209
Factor Arrows
131139

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, 109, 131, 139

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 109 x 131 x 139 = 47,634,744

This can also be written as 23 x 31 x 1091 x 1311 x 1391 = 47,634,744

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


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