Q: Is 921,940 a Prime Number?
A: No, 921,940 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 921940 can be evenly divided by 1 2 4 5 10 20 31 62 124 155 310 620 1,487 2,974 5,948 7,435 14,870 29,740 46,097 92,194 184,388 230,485 460,970 and 921,940, with no remainder.
Since 921,940 cannot be divided by just 1 and 921,940, it is not a prime number.