Q: Is 445,005 a Prime Number?
A: No, 445,005 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 445005 can be evenly divided by 1 3 5 9 11 15 29 31 33 45 55 87 93 99 145 155 165 261 279 319 341 435 465 495 899 957 1,023 1,305 1,395 1,595 1,705 2,697 2,871 3,069 4,495 4,785 5,115 8,091 9,889 13,485 14,355 15,345 29,667 40,455 49,445 89,001 148,335 and 445,005, with no remainder.
Since 445,005 cannot be divided by just 1 and 445,005, it is not a prime number.