Q: Is 1,264,664 a Prime Number?
A: No, 1,264,664 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1264664 can be evenly divided by 1 2 4 8 17 34 68 136 289 547 578 1,094 1,156 2,188 2,312 4,376 9,299 18,598 37,196 74,392 158,083 316,166 632,332 and 1,264,664, with no remainder.
Since 1,264,664 cannot be divided by just 1 and 1,264,664, it is not a prime number.