Find the greatest divisor of a number not equal to 61 itself.

61 is a prime number. Prime numbers are integers, no remainder, divisible only by one (1) and by their own value. Hence, the divisors of the prime number 61 are the numbers: 1, 61. By assumption, the divisor equal to 61 cannot be an answer. This means that the greatest divisor of the number 61, which is not equal to itself, is the number “1”. Check: 61: 1 = 61.
Answer: the greatest divisor, from the admissible by condition, is the number “1”.



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