| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is a prime number 15 | 1.14 | 0.1 | 2235 | 95 |
| is a prime number 16 | 0.77 | 0.8 | 5684 | 13 |
| is a prime number 14 | 1.15 | 0.3 | 8372 | 83 |
| is a prime number 17 | 0.1 | 0.1 | 5230 | 88 |
| is a prime number 13 | 1.04 | 0.2 | 1690 | 15 |
| is a prime number 19 | 1.98 | 0.7 | 1171 | 83 |
| is a prime number 18 | 0.3 | 0.2 | 1432 | 48 |
| is a prime number 11 | 0.72 | 0.6 | 3150 | 26 |
| is a prime number 10 | 1.45 | 0.2 | 9980 | 92 |
| is a prime number 12 | 0.18 | 0.7 | 5406 | 7 |
| is a prime number 25 | 1.94 | 0.3 | 2880 | 83 |
| is a prime number 53 | 0.47 | 0.1 | 5643 | 74 |
| is a prime number 51 | 1.15 | 1 | 42 | 94 |
| is a prime number 5 | 0.42 | 0.4 | 2557 | 97 |
| is 157 a prime number | 0.18 | 0.4 | 3929 | 22 |
| is 151 a prime number | 1.08 | 0.7 | 3788 | 95 |
| is 15 a prime number or a composite number | 1.78 | 0.1 | 5307 | 88 |
| is 153 a prime number | 0.21 | 0.6 | 7873 | 8 |
| why is 15 not a prime number | 0.02 | 0.2 | 9496 | 81 |
| is 159 a prime number | 0.3 | 0.1 | 3206 | 24 |
| is 156 a prime number | 1.53 | 0.9 | 1185 | 87 |
| prime numbers 15 to 25 | 1.42 | 0.9 | 997 | 90 |
| prime number 144 | 0.72 | 0.4 | 1697 | 61 |
| prime numbers 1 50 | 0.2 | 0.2 | 4312 | 35 |
| prime numbers 15-30 | 1.1 | 0.4 | 7765 | 64 |
