Q: Is 278,008 a Prime Number?
A: No, 278,008 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 278008 can be evenly divided by 1 2 4 8 19 31 38 59 62 76 118 124 152 236 248 472 589 1,121 1,178 1,829 2,242 2,356 3,658 4,484 4,712 7,316 8,968 14,632 34,751 69,502 139,004 and 278,008, with no remainder.
Since 278,008 cannot be divided by just 1 and 278,008, it is not a prime number.