Q: Is 425,720 a Prime Number?
A: No, 425,720 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 425720 can be evenly divided by 1 2 4 5 8 10 20 29 40 58 116 145 232 290 367 580 734 1,160 1,468 1,835 2,936 3,670 7,340 10,643 14,680 21,286 42,572 53,215 85,144 106,430 212,860 and 425,720, with no remainder.
Since 425,720 cannot be divided by just 1 and 425,720, it is not a prime number.