Q: Is 123,280 a Prime Number?
A: No, 123,280 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 123280 can be evenly divided by 1 2 4 5 8 10 16 20 23 40 46 67 80 92 115 134 184 230 268 335 368 460 536 670 920 1,072 1,340 1,541 1,840 2,680 3,082 5,360 6,164 7,705 12,328 15,410 24,656 30,820 61,640 and 123,280, with no remainder.
Since 123,280 cannot be divided by just 1 and 123,280, it is not a prime number.