Tags » Primes

Canon CN-E PL Primes From Duclos Lenses

Duclos Lenses has developed a conversion process for the Canon Cinema Eos CN-E Primes that provides a high quality, stainless steel PL mount that allows the primes including the 14mm, 24mm, 35mm, 50mm, 85mm, and 135mm to be used with any PL mount camera.


Paul Erdos' Proof that there are Infinite Primes

┬áPaul Erdos’ Proof that there are Infinite Primes (with Examples)

Every integer can be uniquely written as , where is square-free (not divisible by any square numbers). 241 more words


Primality Tests 2

Last time we have discussed two methods to test whether a number is prime. The two methods are very accurate and efficient. The more you run the tests, the more accurate your answer is. 1,028 more words


Obesity primes the colon for cancer, according to NIH study

Obesity, rather than diet, causes changes in the colon that may lead to colorectal cancer, according to a study in mice by the National Institutes of Health. 9 more words

#WeHateMath Project Euler 9 - Pythagorean Triplets

A Pythagorean triplet is a set of three natural numbers, a < b < c, for which,

For example, 32 + 42 = 9 + 16 = 25 = 52. 421 more words


Searching for Primes with C

As a software developer, I regularly do drills with different languages. This is rather analogous to how musicians play scales with their instructions. This past weekend, I brushed off some C cobwebs with a quick exercise to find prime numbers using the Sieve of Eratosthenes. 356 more words


Prime-producing polynomials

No nonconstant polynomial in one variable can produce only primes at integer values. But the polynomial does awfully well: it produces primes for :

41 , 44 more words