Q: Is 546,820 a Prime Number?
A: No, 546,820 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 546820 can be evenly divided by 1 2 4 5 10 19 20 38 76 95 190 380 1,439 2,878 5,756 7,195 14,390 27,341 28,780 54,682 109,364 136,705 273,410 and 546,820, with no remainder.
Since 546,820 cannot be divided by just 1 and 546,820, it is not a prime number.