Q: Is 1,601,920 a Prime Number?
A: No, 1,601,920 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 1601920 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 2,503 5,006 10,012 12,515 20,024 25,030 40,048 50,060 80,096 100,120 160,192 200,240 320,384 400,480 800,960 and 1,601,920, with no remainder.
Since 1,601,920 cannot be divided by just 1 and 1,601,920, it is not a prime number.