Q: Is 161,616 a Prime Number?
A: No, 161,616 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 161616 can be evenly divided by 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 37 39 42 48 52 56 74 78 84 91 104 111 112 148 156 168 182 208 222 259 273 296 312 336 364 444 481 518 546 592 624 728 777 888 962 1,036 1,092 1,443 1,456 1,554 1,776 1,924 2,072 2,184 2,886 3,108 3,367 3,848 4,144 4,368 5,772 6,216 6,734 7,696 10,101 11,544 12,432 13,468 20,202 23,088 26,936 40,404 53,872 80,808 and 161,616, with no remainder.
Since 161,616 cannot be divided by just 1 and 161,616, it is not a prime number.