Q: Is 209,760 a Prime Number?
A: No, 209,760 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 209760 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 19 20 23 24 30 32 38 40 46 48 57 60 69 76 80 92 95 96 114 115 120 138 152 160 184 190 228 230 240 276 285 304 345 368 380 437 456 460 480 552 570 608 690 736 760 874 912 920 1,104 1,140 1,311 1,380 1,520 1,748 1,824 1,840 2,185 2,208 2,280 2,622 2,760 3,040 3,496 3,680 4,370 4,560 5,244 5,520 6,555 6,992 8,740 9,120 10,488 11,040 13,110 13,984 17,480 20,976 26,220 34,960 41,952 52,440 69,920 104,880 and 209,760, with no remainder.
Since 209,760 cannot be divided by just 1 and 209,760, it is not a prime number.