Q: Is 2,001,720 a Prime Number?
A: No, 2,001,720 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 2001720 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 2,383 4,766 7,149 9,532 11,915 14,298 16,681 19,064 23,830 28,596 33,362 35,745 47,660 50,043 57,192 66,724 71,490 83,405 95,320 100,086 133,448 142,980 166,810 200,172 250,215 285,960 333,620 400,344 500,430 667,240 1,000,860 and 2,001,720, with no remainder.
Since 2,001,720 cannot be divided by just 1 and 2,001,720, it is not a prime number.