Q: Is 261,120 a Prime Number?
A: No, 261,120 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 261120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 128 136 160 170 192 204 240 255 256 272 320 340 384 408 480 510 512 544 640 680 768 816 960 1,020 1,024 1,088 1,280 1,360 1,536 1,632 1,920 2,040 2,176 2,560 2,720 3,072 3,264 3,840 4,080 4,352 5,120 5,440 6,528 7,680 8,160 8,704 10,880 13,056 15,360 16,320 17,408 21,760 26,112 32,640 43,520 52,224 65,280 87,040 130,560 and 261,120, with no remainder.
Since 261,120 cannot be divided by just 1 and 261,120, it is not a prime number.