Q: Is 75,420 a Prime Number?
A: No, 75,420 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 75420 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 419 838 1,257 1,676 2,095 2,514 3,771 4,190 5,028 6,285 7,542 8,380 12,570 15,084 18,855 25,140 37,710 and 75,420, with no remainder.
Since 75,420 cannot be divided by just 1 and 75,420, it is not a prime number.