Q: Is 141,820 a Prime Number?
A: No, 141,820 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 141820 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 1,013 2,026 4,052 5,065 7,091 10,130 14,182 20,260 28,364 35,455 70,910 and 141,820, with no remainder.
Since 141,820 cannot be divided by just 1 and 141,820, it is not a prime number.