Q: Is 5,223,216 a Prime Number?
A: No, 5,223,216 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 5223216 can be evenly divided by 1 2 3 4 6 8 12 16 17 24 34 37 48 51 68 74 102 111 136 148 173 204 222 272 296 346 408 444 519 592 629 692 816 888 1,038 1,258 1,384 1,776 1,887 2,076 2,516 2,768 2,941 3,774 4,152 5,032 5,882 6,401 7,548 8,304 8,823 10,064 11,764 12,802 15,096 17,646 19,203 23,528 25,604 30,192 35,292 38,406 47,056 51,208 70,584 76,812 102,416 108,817 141,168 153,624 217,634 307,248 326,451 435,268 652,902 870,536 1,305,804 1,741,072 2,611,608 and 5,223,216, with no remainder.
Since 5,223,216 cannot be divided by just 1 and 5,223,216, it is not a prime number.