Q: Is 2,142,240 a Prime Number?
A: No, 2,142,240 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 2142240 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 4,463 8,926 13,389 17,852 22,315 26,778 35,704 44,630 53,556 66,945 71,408 89,260 107,112 133,890 142,816 178,520 214,224 267,780 357,040 428,448 535,560 714,080 1,071,120 and 2,142,240, with no remainder.
Since 2,142,240 cannot be divided by just 1 and 2,142,240, it is not a prime number.