Q: Is 2,145,141 a Prime Number?
A: No, 2,145,141 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 2145141 can be evenly divided by 1 3 9 23 43 69 129 207 241 387 723 989 2,169 2,967 5,543 8,901 10,363 16,629 31,089 49,887 93,267 238,349 715,047 and 2,145,141, with no remainder.
Since 2,145,141 cannot be divided by just 1 and 2,145,141, it is not a prime number.