Q: Is 1,427,680 a Prime Number?
A: No, 1,427,680 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 1427680 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 8,923 17,846 35,692 44,615 71,384 89,230 142,768 178,460 285,536 356,920 713,840 and 1,427,680, with no remainder.
Since 1,427,680 cannot be divided by just 1 and 1,427,680, it is not a prime number.