Mathematics, 13.07.2019 04:30 linacelina6027

2. which of the following proves that 209 is not a prime number? a) 209 × 1 = 209 b) 19 × 11 = 209 c) 209 is an odd number d) 209 is not visible by 2,3,5 and 7.

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2. which of the following proves that 209 is not a prime number? a) 209 × 1 = 209 b) 19 × 11 = 209...

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