Q: Is 620,672 a Prime Number?
A: No, 620,672 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 620672 can be evenly divided by 1 2 4 8 13 16 26 32 52 64 104 128 208 373 416 746 832 1,492 1,664 2,984 4,849 5,968 9,698 11,936 19,396 23,872 38,792 47,744 77,584 155,168 310,336 and 620,672, with no remainder.
Since 620,672 cannot be divided by just 1 and 620,672, it is not a prime number.