Q: Is 3,521,920 a Prime Number?
A: No, 3,521,920 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 3521920 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 5,503 11,006 22,012 27,515 44,024 55,030 88,048 110,060 176,096 220,120 352,192 440,240 704,384 880,480 1,760,960 and 3,521,920, with no remainder.
Since 3,521,920 cannot be divided by just 1 and 3,521,920, it is not a prime number.