3 and 13
11 is a prime number as it can only by divided by 2 numbers one and itself But 39 is not a prime number as it can be divided by 3 and 13 as well as one and itself.
0.0256
39
2
The number is 39
546
To simplify 92 out of 138 the answer is 46/39. Both numbers are divided by the greatest common factor which is 2.
19.5
It is 39*n+1 when divided by n, for any integer n.
The average of 148 and 39 is the sum of 148 and 39 divided by 2, or 187/2, or 93.5
4.4256
78