Q: Is 8,438,742 a Prime Number?
A: No, 8,438,742 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 8438742 can be evenly divided by 1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 234 351 702 1,053 2,106 4,007 8,014 12,021 24,042 36,063 52,091 72,126 104,182 108,189 156,273 216,378 312,546 324,567 468,819 649,134 937,638 1,406,457 2,812,914 4,219,371 and 8,438,742, with no remainder.
Since 8,438,742 cannot be divided by just 1 and 8,438,742, it is not a prime number.