Explain why 1x2x3x4x5x6+5 is a composite number ?
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1×2×3×4×5×6+
= 5(1×2×3×4×6+1)
= 5(6×24+1)
=5 (145)
as we know that factors of composite no. are prime no.
5 is common which is a prime so, that is a composite no.
= 5(1×2×3×4×6+1)
= 5(6×24+1)
=5 (145)
as we know that factors of composite no. are prime no.
5 is common which is a prime so, that is a composite no.
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