Q: Is 5,321,988 a Prime Number?
A: No, 5,321,988 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 5321988 can be evenly divided by 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 343 431 441 588 686 862 882 1,029 1,293 1,372 1,724 1,764 2,058 2,586 3,017 3,087 3,879 4,116 5,172 6,034 6,174 7,758 9,051 12,068 12,348 15,516 18,102 21,119 27,153 36,204 42,238 54,306 63,357 84,476 108,612 126,714 147,833 190,071 253,428 295,666 380,142 443,499 591,332 760,284 886,998 1,330,497 1,773,996 2,660,994 and 5,321,988, with no remainder.
Since 5,321,988 cannot be divided by just 1 and 5,321,988, it is not a prime number.