Q: What are the prime factors of the number 10,178,048?

 A: 2, 103, 193

Why are those the prime factors of the number 10,178,048?

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 10,178,048

10,178,048
Factor Arrows
25,089,024
Factor Arrows
22,544,512
Factor Arrows
21,272,256
Factor Arrows
2636,128
Factor Arrows
2318,064
Factor Arrows
2159,032
Factor Arrows
279,516
Factor Arrows
239,758
Factor Arrows
219,879
Factor Arrows
103193

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, 103, 193

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 2 x 2 x 103 x 193 = 10,178,048

This can also be written as 29 x 1031 x 1931 = 10,178,048

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


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