Q: Is 667,320 a Prime Number?
A: No, 667,320 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 667320 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 67 83 120 134 166 201 249 268 332 335 402 415 498 536 664 670 804 830 996 1,005 1,245 1,340 1,608 1,660 1,992 2,010 2,490 2,680 3,320 4,020 4,980 5,561 8,040 9,960 11,122 16,683 22,244 27,805 33,366 44,488 55,610 66,732 83,415 111,220 133,464 166,830 222,440 333,660 and 667,320, with no remainder.
Since 667,320 cannot be divided by just 1 and 667,320, it is not a prime number.