Q: Is 1,430,840 a Prime Number?
A: No, 1,430,840 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 1430840 can be evenly divided by 1 2 4 5 8 10 20 40 35,771 71,542 143,084 178,855 286,168 357,710 715,420 and 1,430,840, with no remainder.
Since 1,430,840 cannot be divided by just 1 and 1,430,840, it is not a prime number.