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Why are 2 3 5 5 and 5 7 11 7 5 composite numbers?
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Why are 2 3 5 5 and 5 7 11 7 5 composite numbers?
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anonymous
This is because 2×3×5+5=35 which is divisible by 7 so it is composite and 5×7×11×7+5=2700 is divisible by 30,70 and many more so it is composite number.
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