Q: Is 342,090 a Prime Number?
A: No, 342,090 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 342090 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 181 189 210 270 315 362 378 543 630 905 945 1,086 1,267 1,629 1,810 1,890 2,534 2,715 3,258 3,801 4,887 5,430 6,335 7,602 8,145 9,774 11,403 12,670 16,290 19,005 22,806 24,435 34,209 38,010 48,870 57,015 68,418 114,030 171,045 and 342,090, with no remainder.
Since 342,090 cannot be divided by just 1 and 342,090, it is not a prime number.