Q: Is 725,670 a Prime Number?
A: No, 725,670 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 725670 can be evenly divided by 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 733 990 1,466 2,199 3,665 4,398 6,597 7,330 8,063 10,995 13,194 16,126 21,990 24,189 32,985 40,315 48,378 65,970 72,567 80,630 120,945 145,134 241,890 362,835 and 725,670, with no remainder.
Since 725,670 cannot be divided by just 1 and 725,670, it is not a prime number.