Q: Is 523,280 a Prime Number?
A: No, 523,280 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 523280 can be evenly divided by 1 2 4 5 8 10 16 20 31 40 62 80 124 155 211 248 310 422 496 620 844 1,055 1,240 1,688 2,110 2,480 3,376 4,220 6,541 8,440 13,082 16,880 26,164 32,705 52,328 65,410 104,656 130,820 261,640 and 523,280, with no remainder.
Since 523,280 cannot be divided by just 1 and 523,280, it is not a prime number.