Q: Is 443,820 a Prime Number?
A: No, 443,820 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 443820 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 569 780 1,138 1,707 2,276 2,845 3,414 5,690 6,828 7,397 8,535 11,380 14,794 17,070 22,191 29,588 34,140 36,985 44,382 73,970 88,764 110,955 147,940 221,910 and 443,820, with no remainder.
Since 443,820 cannot be divided by just 1 and 443,820, it is not a prime number.