Q: Is 122,820 a Prime Number?
A: No, 122,820 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 122820 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 89 92 115 138 178 230 267 276 345 356 445 460 534 690 890 1,068 1,335 1,380 1,780 2,047 2,670 4,094 5,340 6,141 8,188 10,235 12,282 20,470 24,564 30,705 40,940 61,410 and 122,820, with no remainder.
Since 122,820 cannot be divided by just 1 and 122,820, it is not a prime number.