Q: Is 1,343,420 a Prime Number?
A: No, 1,343,420 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 1343420 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 5,167 10,334 20,668 25,835 51,670 67,171 103,340 134,342 268,684 335,855 671,710 and 1,343,420, with no remainder.
Since 1,343,420 cannot be divided by just 1 and 1,343,420, it is not a prime number.