Q: Is 1,311,000 a Prime Number?
A: No, 1,311,000 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 1311000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 19 20 23 24 25 30 38 40 46 50 57 60 69 75 76 92 95 100 114 115 120 125 138 150 152 184 190 200 228 230 250 276 285 300 345 375 380 437 456 460 475 500 552 570 575 600 690 750 760 874 920 950 1,000 1,140 1,150 1,311 1,380 1,425 1,500 1,725 1,748 1,900 2,185 2,280 2,300 2,375 2,622 2,760 2,850 2,875 3,000 3,450 3,496 3,800 4,370 4,600 4,750 5,244 5,700 5,750 6,555 6,900 7,125 8,625 8,740 9,500 10,488 10,925 11,400 11,500 13,110 13,800 14,250 17,250 17,480 19,000 21,850 23,000 26,220 28,500 32,775 34,500 43,700 52,440 54,625 57,000 65,550 69,000 87,400 109,250 131,100 163,875 218,500 262,200 327,750 437,000 655,500 and 1,311,000, with no remainder.
Since 1,311,000 cannot be divided by just 1 and 1,311,000, it is not a prime number.