Q: Is 838,840 a Prime Number?
A: No, 838,840 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 838840 can be evenly divided by 1 2 4 5 8 10 20 40 67 134 268 313 335 536 626 670 1,252 1,340 1,565 2,504 2,680 3,130 6,260 12,520 20,971 41,942 83,884 104,855 167,768 209,710 419,420 and 838,840, with no remainder.
Since 838,840 cannot be divided by just 1 and 838,840, it is not a prime number.