Q: Is 387,900 a Prime Number?
A: No, 387,900 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 387900 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 431 450 862 900 1,293 1,724 2,155 2,586 3,879 4,310 5,172 6,465 7,758 8,620 10,775 12,930 15,516 19,395 21,550 25,860 32,325 38,790 43,100 64,650 77,580 96,975 129,300 193,950 and 387,900, with no remainder.
Since 387,900 cannot be divided by just 1 and 387,900, it is not a prime number.