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Using those 3 digits, the lowest even number is 256.
You can simply take the lowest even numbers and subtract it i.e. 4-2=2
1 is the lowest prime number. Extra: 2 is the ONLY even prime number.
The primes are all positive number and 1 is not a prime. We look that the next number, 2 and not that the only divisors of 2 are 1 and 2 itself. That makes it prime and since 1 was not prime, by convention, 2 is the smallest prime.
The lowest multiple of a number is the number itself. As:- number x 1 = the number itself