Q: Is 1,267,240 a Prime Number?
A: No, 1,267,240 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 1267240 can be evenly divided by 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 2,437 4,874 9,748 12,185 19,496 24,370 31,681 48,740 63,362 97,480 126,724 158,405 253,448 316,810 633,620 and 1,267,240, with no remainder.
Since 1,267,240 cannot be divided by just 1 and 1,267,240, it is not a prime number.