Q: Is 121,380 a Prime Number?
A: No, 121,380 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 121380 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 289 340 357 420 476 510 578 595 714 867 1,020 1,156 1,190 1,428 1,445 1,734 1,785 2,023 2,380 2,890 3,468 3,570 4,046 4,335 5,780 6,069 7,140 8,092 8,670 10,115 12,138 17,340 20,230 24,276 30,345 40,460 60,690 and 121,380, with no remainder.
Since 121,380 cannot be divided by just 1 and 121,380, it is not a prime number.