Q: Is 123,720 a Prime Number?
A: No, 123,720 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 123720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1,031 2,062 3,093 4,124 5,155 6,186 8,248 10,310 12,372 15,465 20,620 24,744 30,930 41,240 61,860 and 123,720, with no remainder.
Since 123,720 cannot be divided by just 1 and 123,720, it is not a prime number.