Q: Is 5,316,423 a Prime Number?
A: No, 5,316,423 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 5316423 can be evenly divided by 1 3 7 21 383 661 1,149 1,983 2,681 4,627 8,043 13,881 253,163 759,489 1,772,141 and 5,316,423, with no remainder.
Since 5,316,423 cannot be divided by just 1 and 5,316,423, it is not a prime number.