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.
19,29,59,79,89 are the prime numbers with 9 in its Unit place.
2.959
Actually, 9 is NOT a prime number.
49.10
The prime numbers are 3 and 7 but 1 is not considered to be a prime or a composite 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.
19,29,59,79,89 are the prime numbers with 9 in its Unit place.
2.959
Actually, 9 is NOT a prime number.
Okay, what this means is to simplify the number 94 to the nearest ten. The 9 is in the tens place, and the 4 is in the ones place. So if you want to round to the nearest ten, you look at the number in the ones place; if the number in the ones place is any number from 1 to 4 then it gets rounded to zero. But if the number in the ones place is any number from 5 to 9, it is rounded up. So, if you look at 94, the four is in the ones place thus rounding 94 down to 90.
The set {1, 3, 7, 9} which does not have a name.
49.10
9 is not a prime number.
Actually, 9 is NOT a prime number.
9 is not a prime number since 9 = 3*3. So 9 cannot be a prime number of 1269 or any other number.
9 is not prime