Question

If two number are co-prime at least one of them must be prime. True or False. Tell me the reason​

Answer 1

Step-by-step explanation:

True. This is because if a number is divisible by two given co-prime numbers then it is also divisible by their product. We know that 9 and 10 are co-primes and their product is equal to 90. (e) If two numbers are co-primes, at least one of them must be prime

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