Q: Is 1,700,020 a Prime Number?
A: No, 1,700,020 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 1700020 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 12,143 24,286 48,572 60,715 85,001 121,430 170,002 242,860 340,004 425,005 850,010 and 1,700,020, with no remainder.
Since 1,700,020 cannot be divided by just 1 and 1,700,020, it is not a prime number.