The 2 numbers in a row are multiplied, then you subtract one and that's the next number in the sequence. EG, 2x2 = 4
4-1=3
2x3=6
6-1=5
3x5=15
15-1=14
number sequence is 2, 2, 3, 5, 14
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14
77-49=28÷2=〔14〕 21+14=35 35+14=49 49+14=63 63+14=77
151. The pattern is the number times 2 plus 1 more than the previous number, starting at 3: 1*2+3=5 :: 5*2+4=14 :: 14*2+5=33 :: 33*2+6=72 :: 72*2+7=151.
14 is not prime. 14 = 2 * 7
0.0714