Q: Is 342,216 a Prime Number?
A: No, 342,216 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 342216 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 97 98 126 147 168 194 196 252 291 294 388 392 441 504 582 588 679 776 873 882 1,164 1,176 1,358 1,746 1,764 2,037 2,328 2,716 3,492 3,528 4,074 4,753 5,432 6,111 6,984 8,148 9,506 12,222 14,259 16,296 19,012 24,444 28,518 38,024 42,777 48,888 57,036 85,554 114,072 171,108 and 342,216, with no remainder.
Since 342,216 cannot be divided by just 1 and 342,216, it is not a prime number.