Q: Is 8,378,448 a Prime Number?
A: No, 8,378,448 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 8378448 can be evenly divided by 1 2 3 4 6 8 12 13 16 24 26 29 39 48 52 58 78 87 104 116 156 174 208 232 312 348 377 463 464 624 696 754 926 1,131 1,389 1,392 1,508 1,852 2,262 2,778 3,016 3,704 4,524 5,556 6,019 6,032 7,408 9,048 11,112 12,038 13,427 18,057 18,096 22,224 24,076 26,854 36,114 40,281 48,152 53,708 72,228 80,562 96,304 107,416 144,456 161,124 174,551 214,832 288,912 322,248 349,102 523,653 644,496 698,204 1,047,306 1,396,408 2,094,612 2,792,816 4,189,224 and 8,378,448, with no remainder.
Since 8,378,448 cannot be divided by just 1 and 8,378,448, it is not a prime number.