Q: Is 2,140,005 a Prime Number?
A: No, 2,140,005 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 2140005 can be evenly divided by 1 3 5 7 15 21 35 89 105 229 267 445 623 687 1,145 1,335 1,603 1,869 3,115 3,435 4,809 8,015 9,345 20,381 24,045 61,143 101,905 142,667 305,715 428,001 713,335 and 2,140,005, with no remainder.
Since 2,140,005 cannot be divided by just 1 and 2,140,005, it is not a prime number.