explain why 2 * 3 * 5 * 7 + 27 and 3 * 7 * 11 + 19 are composite numbers.
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explain why 2 * 3 * 5 * 7 + 27 and 3 * 7 * 11 + 19 are composite numbers.
The first one is divisible by 3 (since both summands are).Quote:
Originally Posted by saha.subham
The second one is even (it is sum of two odd numbers).
i have to show these numbers ae product of prime numbers but i am unable to do so because of the addition numbers