Q: Is 620,425 a Prime Number?
A: No, 620,425 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 620425 can be evenly divided by 1 5 13 23 25 65 83 115 299 325 415 575 1,079 1,495 1,909 2,075 5,395 7,475 9,545 24,817 26,975 47,725 124,085 and 620,425, with no remainder.
Since 620,425 cannot be divided by just 1 and 620,425, it is not a prime number.