Q: Is 673,840 a Prime Number?
A: No, 673,840 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 673840 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 8,423 16,846 33,692 42,115 67,384 84,230 134,768 168,460 336,920 and 673,840, with no remainder.
Since 673,840 cannot be divided by just 1 and 673,840, it is not a prime number.