Q: Is 675,520 a Prime Number?
A: No, 675,520 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 675520 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 2,111 4,222 8,444 10,555 16,888 21,110 33,776 42,220 67,552 84,440 135,104 168,880 337,760 and 675,520, with no remainder.
Since 675,520 cannot be divided by just 1 and 675,520, it is not a prime number.