Is 2640739 a Prime Number

YES
2640739 is a prime number.
2640739 is not a composite number, it only has factor 1 and itself.

Prime Index of 2640739

Prime Numbe Index: 192611 st
The 2640739 th prime number: 43636199
Hex format: 284B63
Binary format: 0b1010000100101101100011

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