Q: Is 689,520 a Prime Number?
A: No, 689,520 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 689520 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 17 20 24 26 30 34 39 40 48 51 52 60 65 68 78 80 85 102 104 120 130 136 156 169 170 195 204 208 221 240 255 260 272 312 338 340 390 408 442 507 510 520 624 663 676 680 780 816 845 884 1,014 1,020 1,040 1,105 1,326 1,352 1,360 1,560 1,690 1,768 2,028 2,040 2,210 2,535 2,652 2,704 2,873 3,120 3,315 3,380 3,536 4,056 4,080 4,420 5,070 5,304 5,746 6,630 6,760 8,112 8,619 8,840 10,140 10,608 11,492 13,260 13,520 14,365 17,238 17,680 20,280 22,984 26,520 28,730 34,476 40,560 43,095 45,968 53,040 57,460 68,952 86,190 114,920 137,904 172,380 229,840 344,760 and 689,520, with no remainder.
Since 689,520 cannot be divided by just 1 and 689,520, it is not a prime number.