Q: Is 266,670 a Prime Number?
A: No, 266,670 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 266670 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 45 90 2,963 5,926 8,889 14,815 17,778 26,667 29,630 44,445 53,334 88,890 133,335 and 266,670, with no remainder.
Since 266,670 cannot be divided by just 1 and 266,670, it is not a prime number.