Q: What are the prime factors of the number 745,146,600?

 A: 2, 3, 5, 11, 112901

Why are those the prime factors of the number 745,146,600?

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 745,146,600

745,146,600
Factor Arrows
2372,573,300
Factor Arrows
2186,286,650
Factor Arrows
293,143,325
Factor Arrows
331,047,775
Factor Arrows
56,209,555
Factor Arrows
51,241,911
Factor Arrows
11112,901

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, 5, 11, 112901

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 11 x 112,901 = 745,146,600

This can also be written as 23 x 31 x 52 x 111 x 112,9011 = 745,146,600

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


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