Q: Is 209,040 a Prime Number?
A: No, 209,040 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 209040 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 67 78 80 104 120 130 134 156 195 201 208 240 260 268 312 335 390 402 520 536 624 670 780 804 871 1,005 1,040 1,072 1,340 1,560 1,608 1,742 2,010 2,613 2,680 3,120 3,216 3,484 4,020 4,355 5,226 5,360 6,968 8,040 8,710 10,452 13,065 13,936 16,080 17,420 20,904 26,130 34,840 41,808 52,260 69,680 104,520 and 209,040, with no remainder.
Since 209,040 cannot be divided by just 1 and 209,040, it is not a prime number.