Q: Is 427,740 a Prime Number?
A: No, 427,740 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 427740 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 7,129 14,258 21,387 28,516 35,645 42,774 71,290 85,548 106,935 142,580 213,870 and 427,740, with no remainder.
Since 427,740 cannot be divided by just 1 and 427,740, it is not a prime number.