Q: Is 31,620 a Prime Number?
A: No, 31,620 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 31620 can be evenly divided by 1 2 3 4 5 6 10 12 15 17 20 30 31 34 51 60 62 68 85 93 102 124 155 170 186 204 255 310 340 372 465 510 527 620 930 1,020 1,054 1,581 1,860 2,108 2,635 3,162 5,270 6,324 7,905 10,540 15,810 and 31,620, with no remainder.
Since 31,620 cannot be divided by just 1 and 31,620, it is not a prime number.