Q: Is 214,428 a Prime Number?
A: No, 214,428 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 214428 can be evenly divided by 1 2 3 4 6 12 107 167 214 321 334 428 501 642 668 1,002 1,284 2,004 17,869 35,738 53,607 71,476 107,214 and 214,428, with no remainder.
Since 214,428 cannot be divided by just 1 and 214,428, it is not a prime number.