The pattern is +5, +6, +7, so the next number will be 23 + 8 or 31.
39
The next prime number after 29 is 31 followed by 37
The next prime number after 31 is 37.
dis does not work
The next number in the sequence 5-7-13-31 is 69.
a
31
31
49
yes it is
If you meant: 31 37 41 43 47 53 then the next prime number is 59
It is 26 followed by 31
61
One possibility: -3
63
The numbers are increasing by 1,4,9,16,25,36.... which are square numbers so the next increase is 49. Making the next number in the sequence 141