explain why 7×11×13+13 and 7×6×5×4×3×2×1+5 are composite number
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13(7*11+1)
13(78)
13*2*3*13
so by fundamental theorem of arithmetic every composite no can be expressed as product of primes
similarly second one can also be expressed like first one
13(78)
13*2*3*13
so by fundamental theorem of arithmetic every composite no can be expressed as product of primes
similarly second one can also be expressed like first one
mallikarjunN:
2nd one also explain
5(7*6*1*4*3*2*1+1),5*1009
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