Q: Is 672,880 a Prime Number?
A: No, 672,880 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 672880 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 647 1,040 1,294 2,588 3,235 5,176 6,470 8,411 10,352 12,940 16,822 25,880 33,644 42,055 51,760 67,288 84,110 134,576 168,220 336,440 and 672,880, with no remainder.
Since 672,880 cannot be divided by just 1 and 672,880, it is not a prime number.