Q: Is 143,784 a Prime Number?
A: No, 143,784 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 143784 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 36 72 1,997 3,994 5,991 7,988 11,982 15,976 17,973 23,964 35,946 47,928 71,892 and 143,784, with no remainder.
Since 143,784 cannot be divided by just 1 and 143,784, it is not a prime number.