Q: Is 1,272,159 a Prime Number?
A: No, 1,272,159 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 1272159 can be evenly divided by 1 3 7 9 21 27 53 63 127 159 189 371 381 477 889 1,113 1,143 1,431 2,667 3,339 3,429 6,731 8,001 10,017 20,193 24,003 47,117 60,579 141,351 181,737 424,053 and 1,272,159, with no remainder.
Since 1,272,159 cannot be divided by just 1 and 1,272,159, it is not a prime number.