Q: Is 655,500 a Prime Number?
A: No, 655,500 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 655500 can be evenly divided by 1 2 3 4 5 6 10 12 15 19 20 23 25 30 38 46 50 57 60 69 75 76 92 95 100 114 115 125 138 150 190 228 230 250 276 285 300 345 375 380 437 460 475 500 570 575 690 750 874 950 1,140 1,150 1,311 1,380 1,425 1,500 1,725 1,748 1,900 2,185 2,300 2,375 2,622 2,850 2,875 3,450 4,370 4,750 5,244 5,700 5,750 6,555 6,900 7,125 8,625 8,740 9,500 10,925 11,500 13,110 14,250 17,250 21,850 26,220 28,500 32,775 34,500 43,700 54,625 65,550 109,250 131,100 163,875 218,500 327,750 and 655,500, with no remainder.
Since 655,500 cannot be divided by just 1 and 655,500, it is not a prime number.