Q: Is 1,187,604 a Prime Number?
A: No, 1,187,604 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 1187604 can be evenly divided by 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 2,999 5,998 8,997 11,996 17,994 26,991 32,989 35,988 53,982 65,978 98,967 107,964 131,956 197,934 296,901 395,868 593,802 and 1,187,604, with no remainder.
Since 1,187,604 cannot be divided by just 1 and 1,187,604, it is not a prime number.