Q: What are the prime factors of the number 1,865,152?

 A: 2, 151, 193

Why are those the prime factors of the number 1,865,152?

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 1,865,152

1,865,152
Factor Arrows
2932,576
Factor Arrows
2466,288
Factor Arrows
2233,144
Factor Arrows
2116,572
Factor Arrows
258,286
Factor Arrows
229,143
Factor Arrows
151193

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, 151, 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 151 x 193 = 1,865,152

This can also be written as 26 x 1511 x 1931 = 1,865,152

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


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