Q: Is 841,840 a Prime Number?
A: No, 841,840 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 841840 can be evenly divided by 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 619 680 1,238 1,360 2,476 3,095 4,952 6,190 9,904 10,523 12,380 21,046 24,760 42,092 49,520 52,615 84,184 105,230 168,368 210,460 420,920 and 841,840, with no remainder.
Since 841,840 cannot be divided by just 1 and 841,840, it is not a prime number.