57
The next number in the sequence 5-7-13-31 is 69.
17-12n 17-12(10)=-103
If you meant: 31 37 41 43 47 53 then the next prime number is 59
It is 26 followed by 31
21
57
The next number in the sequence 5-7-13-31 is 69.
The nth term is 7n-4 and so the next number in the sequence is 31
a
31
The sequence appears to be increasing by a certain amount each time. The differences between the numbers are 6, 7, and 8, respectively. This suggests that the next number in the sequence should be 22 + 9, which equals 31.
31. Each number is derived from the sequence minus 6 then plus 17. Cobblestoneplaza.com
61
yes it is
These are just the first prime numbers. The next few are 13, 17, 19, 23, 29, 31...
17-12n 17-12(10)=-103