Q: Is 690,690 a Prime Number?
A: No, 690,690 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 690690 can be evenly divided by 1 2 3 5 6 7 10 11 13 14 15 21 22 23 26 30 33 35 39 42 46 55 65 66 69 70 77 78 91 105 110 115 130 138 143 154 161 165 182 195 210 230 231 253 273 286 299 322 330 345 385 390 429 455 462 483 506 546 598 690 715 759 770 805 858 897 910 966 1,001 1,155 1,265 1,365 1,430 1,495 1,518 1,610 1,771 1,794 2,002 2,093 2,145 2,310 2,415 2,530 2,730 2,990 3,003 3,289 3,542 3,795 4,186 4,290 4,485 4,830 5,005 5,313 6,006 6,279 6,578 7,590 8,855 8,970 9,867 10,010 10,465 10,626 12,558 15,015 16,445 17,710 19,734 20,930 23,023 26,565 30,030 31,395 32,890 46,046 49,335 53,130 62,790 69,069 98,670 115,115 138,138 230,230 345,345 and 690,690, with no remainder.
Since 690,690 cannot be divided by just 1 and 690,690, it is not a prime number.