Q: Is 971,621 a Prime Number?
A: No, 971,621 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 971621 can be evenly divided by 1 7 49 79 251 553 1,757 3,871 12,299 19,829 138,803 and 971,621, with no remainder.
Since 971,621 cannot be divided by just 1 and 971,621, it is not a prime number.