Q: Is 427,245 a Prime Number?
A: No, 427,245 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 427245 can be evenly divided by 1 3 5 7 13 15 21 35 39 65 91 105 195 273 313 455 939 1,365 1,565 2,191 4,069 4,695 6,573 10,955 12,207 20,345 28,483 32,865 61,035 85,449 142,415 and 427,245, with no remainder.
Since 427,245 cannot be divided by just 1 and 427,245, it is not a prime number.