What is prime number ...........2 is the smallest prime number because it has 2 factors 1 and 2 why 4 is not a prime no. or any other no. 4 has 1 and 4 as factors ....
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Answer:Because 4 has 3factors (1,2and 4)..u forgot about 2...2 is also the prime factor of 4(2×2)
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