Q: Is 661,200 a Prime Number?
A: No, 661,200 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 661200 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 19 20 24 25 29 30 38 40 48 50 57 58 60 75 76 80 87 95 100 114 116 120 145 150 152 174 190 200 228 232 240 285 290 300 304 348 380 400 435 456 464 475 551 570 580 600 696 725 760 870 912 950 1,102 1,140 1,160 1,200 1,392 1,425 1,450 1,520 1,653 1,740 1,900 2,175 2,204 2,280 2,320 2,755 2,850 2,900 3,306 3,480 3,800 4,350 4,408 4,560 5,510 5,700 5,800 6,612 6,960 7,600 8,265 8,700 8,816 11,020 11,400 11,600 13,224 13,775 16,530 17,400 22,040 22,800 26,448 27,550 33,060 34,800 41,325 44,080 55,100 66,120 82,650 110,200 132,240 165,300 220,400 330,600 and 661,200, with no remainder.
Since 661,200 cannot be divided by just 1 and 661,200, it is not a prime number.