Q: Is 2,400,216 a Prime Number?
A: No, 2,400,216 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 2400216 can be evenly divided by 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 49 52 56 78 84 91 98 104 147 156 157 168 182 196 273 294 312 314 364 392 471 546 588 628 637 728 942 1,092 1,099 1,176 1,256 1,274 1,884 1,911 2,041 2,184 2,198 2,548 3,297 3,768 3,822 4,082 4,396 5,096 6,123 6,594 7,644 7,693 8,164 8,792 12,246 13,188 14,287 15,288 15,386 16,328 23,079 24,492 26,376 28,574 30,772 42,861 46,158 48,984 57,148 61,544 85,722 92,316 100,009 114,296 171,444 184,632 200,018 300,027 342,888 400,036 600,054 800,072 1,200,108 and 2,400,216, with no remainder.
Since 2,400,216 cannot be divided by just 1 and 2,400,216, it is not a prime number.