Q: Is 311,742 a Prime Number?
A: No, 311,742 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 311742 can be evenly divided by 1 2 3 6 9 18 23 27 46 54 69 138 207 251 414 502 621 753 1,242 1,506 2,259 4,518 5,773 6,777 11,546 13,554 17,319 34,638 51,957 103,914 155,871 and 311,742, with no remainder.
Since 311,742 cannot be divided by just 1 and 311,742, it is not a prime number.