Q: Is 378,879 a Prime Number?
A: No, 378,879 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 378879 can be evenly divided by 1 3 17 19 23 51 57 69 289 323 391 437 867 969 1,173 1,311 5,491 6,647 7,429 16,473 19,941 22,287 126,293 and 378,879, with no remainder.
Since 378,879 cannot be divided by just 1 and 378,879, it is not a prime number.