Q: Is 216,380 a Prime Number?
A: No, 216,380 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 216380 can be evenly divided by 1 2 4 5 10 20 31 62 124 155 310 349 620 698 1,396 1,745 3,490 6,980 10,819 21,638 43,276 54,095 108,190 and 216,380, with no remainder.
Since 216,380 cannot be divided by just 1 and 216,380, it is not a prime number.