In the beginning of time on Cybertron, there were seven original Primes. They ruled when Jetfire was first created. There can be more than one Prime at a time, but Optimus just happens to be the last of them.
3 and 7.
5 and 7 are twin primes.
Yes.
There are infinitely many twin primes. One example is 5 and 7.
It is: 2*5*7*7 = 490
101
2 * 2 * 7 * 7 * 7 = 1372
659 and 7.
3 × 7 × 11
Optimus Prime:7 Megatron:10 Jetfire:9 of course ,all have different speed.
3675 = 3*5*5*7*7
1, 2, 7, 14 2 x 7 = 14