Q: Is 2,018,445 a Prime Number?
A: No, 2,018,445 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 2018445 can be evenly divided by 1 3 5 11 13 15 33 39 55 65 143 165 195 429 715 941 2,145 2,823 4,705 10,351 12,233 14,115 31,053 36,699 51,755 61,165 134,563 155,265 183,495 403,689 672,815 and 2,018,445, with no remainder.
Since 2,018,445 cannot be divided by just 1 and 2,018,445, it is not a prime number.