Q: Is 37,820 a Prime Number?
A: No, 37,820 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 37820 can be evenly divided by 1 2 4 5 10 20 31 61 62 122 124 155 244 305 310 610 620 1,220 1,891 3,782 7,564 9,455 18,910 and 37,820, with no remainder.
Since 37,820 cannot be divided by just 1 and 37,820, it is not a prime number.