Largest known prime number The largest known prime number as of 2026 is 2136,279,841 − 1, a number that has 41,024,320 digits when written in the decimal system.

Oct 21, 2024 · The new prime number, also known as M136279841, is calculated by multiplying together 136,279,841 twos, and then subtracting 1. It is over 16 million digits larger than the previous record …

2 days ago · The oldest and best Internet source for information on record primes! Update daily. Do you want to know the largest prime and who found it? How about the largest twin prime? Or the largest …

Oct 23, 2024 · Amateur Mathematician Discovers the Largest Known Prime Number, With More Than 41 Million Digits Called M136279841, the value belongs to a rare class of prime numbers called …

Oct 24, 2024 · It’s been nearly six years since math devotees discovered the last largest known prime number, but the bar has officially been raised by over 16 million digits. On October 21, the Great …

Nov 7, 2024 · Luke Durant, a researcher and amateur mathematician, has identified the largest new prime number known to humankind. The newly discovered prime number is 2 to the power of …

Dec 17, 2025 · A prime number is an integer greater than 1 that has no divisors other than 1 and itself. The largest known prime as of October 2024 is 2 136, 279, 841 1, which has 41,024,320 digits. [1]. It …

Jan 28, 2026 · There is no largest prime number, as prime numbers continue infinitely. The largest prime number discovered as of 2025 is (2136,279,841 – 1), which has 41,024,320 digits.

In this website we list all prime numbers. Every single one of them.

Nov 18, 2024 · First, it's a prime number (meaning it is only divisible by itself and one). Second, it's what is called a Mersenne prime (we'll get to what that means). And third, it is to date the largest prime …