Q: Is 1,388,955 a Prime Number?
A: No, 1,388,955 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 1388955 can be evenly divided by 1 3 5 15 29 31 87 93 103 145 155 309 435 465 515 899 1,545 2,697 2,987 3,193 4,495 8,961 9,579 13,485 14,935 15,965 44,805 47,895 92,597 277,791 462,985 and 1,388,955, with no remainder.
Since 1,388,955 cannot be divided by just 1 and 1,388,955, it is not a prime number.