Q: Is 211,420 a Prime Number?
A: No, 211,420 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 211420 can be evenly divided by 1 2 4 5 10 11 20 22 31 44 55 62 110 124 155 220 310 341 620 682 961 1,364 1,705 1,922 3,410 3,844 4,805 6,820 9,610 10,571 19,220 21,142 42,284 52,855 105,710 and 211,420, with no remainder.
Since 211,420 cannot be divided by just 1 and 211,420, it is not a prime number.