Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composite numbers .
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7×11×13+13=1014
7×6×5×4×3×2×1+5=5045
They are composite no. because they have more than two factors.
Answered by
10
HEY MATE
HERE IS YOUR ANSWER
7 × 11 × 13 +13 = 1014
Which is divisble by 1, 2 , 3 , 6 ....
Hence , it's a composite number as it is divisible by even other numbers except 1 and it self
7 × 6 × 5 × 4 × 3 × 2 ×1 + 5 = 5045
Which is divisible by 1 , 5 , .....
Hence , it's a composite number as it is divisible by eve other numbers except 1 and itself
HOPE IT HELPS
HAVE A NICE DAY AHEAD. ....^ _ ^
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