Q: Is 823,620 a Prime Number?
A: No, 823,620 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 823620 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 37 42 53 60 70 74 84 105 106 111 140 148 159 185 210 212 222 259 265 318 370 371 420 444 518 530 555 636 740 742 777 795 1,036 1,060 1,110 1,113 1,295 1,484 1,554 1,590 1,855 1,961 2,220 2,226 2,590 3,108 3,180 3,710 3,885 3,922 4,452 5,180 5,565 5,883 7,420 7,770 7,844 9,805 11,130 11,766 13,727 15,540 19,610 22,260 23,532 27,454 29,415 39,220 41,181 54,908 58,830 68,635 82,362 117,660 137,270 164,724 205,905 274,540 411,810 and 823,620, with no remainder.
Since 823,620 cannot be divided by just 1 and 823,620, it is not a prime number.