Q: Is 672,660 a Prime Number?
A: No, 672,660 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 672660 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 45 60 74 90 101 111 148 180 185 202 222 303 333 370 404 444 505 555 606 666 740 909 1,010 1,110 1,212 1,332 1,515 1,665 1,818 2,020 2,220 3,030 3,330 3,636 3,737 4,545 6,060 6,660 7,474 9,090 11,211 14,948 18,180 18,685 22,422 33,633 37,370 44,844 56,055 67,266 74,740 112,110 134,532 168,165 224,220 336,330 and 672,660, with no remainder.
Since 672,660 cannot be divided by just 1 and 672,660, it is not a prime number.