48 shoud be 58.
The numbers that belong to the series are the following: 1, 2, 5, 10, 13, 26, 29 and 48.
26. It is the only number with a prime factor > 10 (13).
13/10
22 - it is even, it is composite.
18-the correct number should be 20.
48
48 does not belong. The pattern is (times 2) then (plus 3). The last number should be 58.
48 doesn't belong! 1-2 (+3) 5-10 (+3) 13-26 (+3) 29-48 In each set the 1st number is half of the 2nd exept for the last set.
48 shoud be 58.
48, it should be 58: 1- double it=2. 5- double it=10. 13- double it=26. 29- double it=58.
The numbers that belong to the series are the following: 1, 2, 5, 10, 13, 26, 29 and 48.
26. It is the only number with a prime factor > 10 (13).
13/10
13/10
22 - it is even, it is composite.
13