Q: Is 729,820 a Prime Number?
A: No, 729,820 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 729820 can be evenly divided by 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 401 455 802 910 1,604 1,820 2,005 2,807 4,010 5,213 5,614 8,020 10,426 11,228 14,035 20,852 26,065 28,070 36,491 52,130 56,140 72,982 104,260 145,964 182,455 364,910 and 729,820, with no remainder.
Since 729,820 cannot be divided by just 1 and 729,820, it is not a prime number.