Q: Is 735,420 a Prime Number?
A: No, 735,420 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 735420 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 103 105 119 140 170 204 206 210 238 255 309 340 357 412 420 476 510 515 595 618 714 721 1,020 1,030 1,190 1,236 1,428 1,442 1,545 1,751 1,785 2,060 2,163 2,380 2,884 3,090 3,502 3,570 3,605 4,326 5,253 6,180 7,004 7,140 7,210 8,652 8,755 10,506 10,815 12,257 14,420 17,510 21,012 21,630 24,514 26,265 35,020 36,771 43,260 49,028 52,530 61,285 73,542 105,060 122,570 147,084 183,855 245,140 367,710 and 735,420, with no remainder.
Since 735,420 cannot be divided by just 1 and 735,420, it is not a prime number.