46 69 92 115 138 161 184 207 230
and so on ...
It is: 23 times 1 = 23 which is a prime number
No. No number can go into it
No Not a multiple of two 22 and 24 are 23 is an odd number
2 because it is
115 is.
Any number in the 23 times table. E.g. 23, 46, 69...
4140 is one such number.
It is a multiple of 23.
Any multiple of 138
The sum of 7 times the last digit and the rest of the number is a multiple of 23
Yes because it can only be divided by one and itself to get a whole number.
989