Q: Is 4,004,145 a Prime Number?
A: No, 4,004,145 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 4004145 can be evenly divided by 1 3 5 9 15 45 101 303 505 881 909 1,515 2,643 4,405 4,545 7,929 13,215 39,645 88,981 266,943 444,905 800,829 1,334,715 and 4,004,145, with no remainder.
Since 4,004,145 cannot be divided by just 1 and 4,004,145, it is not a prime number.