What is the smallest digit that is never found in the units place of an even number?
1. All even numbers end in either a 0, 2, 4, 6 or 8. so we have 1,3 ,5 ,7 and 9. One is the smallest of those.
1 is the first odd natural number. An odd number will be never found in the unit's place for even number. So the lowest single-digit odd is 1 and will never be in the unit's place for even number.
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