Q: Is 660,240 a Prime Number?
A: No, 660,240 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 660240 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 131 140 144 168 180 210 240 252 262 280 315 336 360 393 420 504 524 560 630 655 720 786 840 917 1,008 1,048 1,179 1,260 1,310 1,572 1,680 1,834 1,965 2,096 2,358 2,520 2,620 2,751 3,144 3,668 3,930 4,585 4,716 5,040 5,240 5,502 5,895 6,288 7,336 7,860 8,253 9,170 9,432 10,480 11,004 11,790 13,755 14,672 15,720 16,506 18,340 18,864 22,008 23,580 27,510 31,440 33,012 36,680 41,265 44,016 47,160 55,020 66,024 73,360 82,530 94,320 110,040 132,048 165,060 220,080 330,120 and 660,240, with no remainder.
Since 660,240 cannot be divided by just 1 and 660,240, it is not a prime number.