Explain why the number 7×5×3×2+3 is not a prime number
dishantsinghom:
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It is a composite no.
kk
any no. multiple by 2 is even and any even no. add to 3 is prim
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Co-prime numbers are numbers which do not have any other common factor other than 1. But to check this, you need to have a set of numbers. But here, you have mentioned only one number, i.e. 2. Well, if you are asking whether 2 is a prime number or not, then yes, 2 is a prime number, as it is not divisible by any other number except 1 and itself.
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