Q: Is 133,280 a Prime Number?
A: No, 133,280 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 133280 can be evenly divided by 1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 49 56 68 70 80 85 98 112 119 136 140 160 170 196 224 238 245 272 280 340 392 476 490 544 560 595 680 784 833 952 980 1,120 1,190 1,360 1,568 1,666 1,904 1,960 2,380 2,720 3,332 3,808 3,920 4,165 4,760 6,664 7,840 8,330 9,520 13,328 16,660 19,040 26,656 33,320 66,640 and 133,280, with no remainder.
Since 133,280 cannot be divided by just 1 and 133,280, it is not a prime number.