Q: Is 2,635,720 a Prime Number?
A: No, 2,635,720 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 2635720 can be evenly divided by 1 2 4 5 8 10 20 40 131 262 503 524 655 1,006 1,048 1,310 2,012 2,515 2,620 4,024 5,030 5,240 10,060 20,120 65,893 131,786 263,572 329,465 527,144 658,930 1,317,860 and 2,635,720, with no remainder.
Since 2,635,720 cannot be divided by just 1 and 2,635,720, it is not a prime number.