Q: Is 4,621,005 a Prime Number?
A: No, 4,621,005 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 4621005 can be evenly divided by 1 3 5 9 15 29 45 87 145 261 435 1,305 3,541 10,623 17,705 31,869 53,115 102,689 159,345 308,067 513,445 924,201 1,540,335 and 4,621,005, with no remainder.
Since 4,621,005 cannot be divided by just 1 and 4,621,005, it is not a prime number.