Q: Is 201,840 a Prime Number?
A: No, 201,840 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 201840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 40 48 58 60 80 87 116 120 145 174 232 240 290 348 435 464 580 696 841 870 1,160 1,392 1,682 1,740 2,320 2,523 3,364 3,480 4,205 5,046 6,728 6,960 8,410 10,092 12,615 13,456 16,820 20,184 25,230 33,640 40,368 50,460 67,280 100,920 and 201,840, with no remainder.
Since 201,840 cannot be divided by just 1 and 201,840, it is not a prime number.