Q: Is 438,648 a Prime Number?
A: No, 438,648 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 438648 can be evenly divided by 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 373 392 588 746 1,119 1,176 1,492 2,238 2,611 2,984 4,476 5,222 7,833 8,952 10,444 15,666 18,277 20,888 31,332 36,554 54,831 62,664 73,108 109,662 146,216 219,324 and 438,648, with no remainder.
Since 438,648 cannot be divided by just 1 and 438,648, it is not a prime number.