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Brilliant_brown [7]
3 years ago
11

Prove that 3999991 is not prime

Mathematics
1 answer:
rodikova [14]3 years ago
7 0

3999991=4000000-9=2,000^2-3^2=(2000-3)(2000+3)=1997\cdot2003

As we can see, the number 3999991 can be expressed as a product of two numbers that are not 1 and the number 3999991 itself, therefore that number is not prime.

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