Q: Which prime number who ones place is 2 less than the tens place?

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nine is not a prime number

The possibilities for a digit in the ones place of a prime number greater than 5 are 1, 3, 7, and 9. If a 0, 2, 4, 6, or 8 is in the ones place, the number is divisible by 2, so it would not be prime. If a 5 is in the ones place, the number is divisible by 5, so it would not be prime.

All but the number five are multiples of 5.

97

Given the information in the question, the number is indeterminate.

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nine is not a prime number

The possibilities for a digit in the ones place of a prime number greater than 5 are 1, 3, 7, and 9. If a 0, 2, 4, 6, or 8 is in the ones place, the number is divisible by 2, so it would not be prime. If a 5 is in the ones place, the number is divisible by 5, so it would not be prime.

The prime numbers are 3 and 7 but 1 is not considered to be a prime or a composite number

73

Any number that has a 5 or 0 in the ones place is divisible by 5. If a number is evenly divisible by another number, it is NOT prime.

32 is an even number (look at the ones place). The only even prime is 2. 95 has 5 as a factor (again look at the ones place). Multiples of 5 have a 0 or 5 in the ones place.That is how you figer out if 32 and 95 in not a prime number.

73 7-3 = 4 73 is prime and 37 is prime.

All but the number five are multiples of 5.

No, all numbers with a zero in the one's place are divisible by at least 1, themselves, and 2, which means they cannot be prime.

70

97

97