Q: Is 581,520 a Prime Number?
A: No, 581,520 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 581520 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 2,423 4,846 7,269 9,692 12,115 14,538 19,384 24,230 29,076 36,345 38,768 48,460 58,152 72,690 96,920 116,304 145,380 193,840 290,760 and 581,520, with no remainder.
Since 581,520 cannot be divided by just 1 and 581,520, it is not a prime number.