Fermat number
Fermat number In mathematics, a Fermat number, named after Pierre de Fermat who first ... 65537 F 5 = 2 32 + 1 = 4294967297 = 641 � 6700417 F 6 = 2 64 + 1 ... form 2 n + 1 is a Fermat number, and such primes are called Fermat primes ... This is a contradiction, because each Fermat number is clearly odd. As a corollary, ...
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Carmichael number
Carmichael number In number theory, a Carmichael number is a composite positive integer n which ... upon to prove the primality of a number, although it can still be used to prove a number is composite. Still, as numbers become ...
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600 (number)
600 (number) Six hundred is the natural number following five hundred and ninety-nine and ... hundred and one. It is a pronic number and a Harshad number. List of numbers — Integers << 0 100 ... the year AD, see 600. 601 prime number, centered pentagonal number 602 = 2 � ...
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Fermat number   (translated from German)
Fermat number One Fermat number, designated after that franzoesischen Mathematiker Pierre de Fermat , is one natuerliche number the form $F\_n:=\; 2^\{2^n\; ...\; n)+1),\; how\; n\; one\; nonnegative\; whole$number is. One Fermat prime number a Fermat number, those is simultaneous ...
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Prime number twin   (translated from German)
Prime number twin Prime number twins are two Primzahlen , their distance 2 ... Table of contents Historical The term "prime number twin" became for the first time of ... Paul Staeckel used. Definition One calls prime number twins two prime numbers $p\_1$ is. The prime number $p\_2\; =\; p\_1\; +\; 2$ becomes ...
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Series 641   (translated from German)
Series 641 The vehicles that Series 641 (VT641) one-piece Diesel motor coaches are ... of German combustion engine motor coaches BR number: 601 | 602 | 605 | 608 | 610 | 611 | 612 ... 627 | 628 | 629 | 633 | 634 | 636 | 640 | 641 | 642 643 | 644 | 645 | 646 | 648 | 650 ...
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Number of Fermat   (translated from Italian)
Number of Fermat One number of Fermat, called therefore from mathematician francese ... Pierre de Fermat it is one entire number esprimibile like: $F\_n\; =\; 2^\{2^n\; ...\; we\; find\; respective\; 129,\; 257,\; 385,\; 513,$641; of these, only 257 and 641 are first, and 641 effectively divides ...
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4294967297 (a number)   (translated from French)
4294967297 (a number) 4 294 967 297 is smallest numbers ... while factorizing 4 294 967 297 by 641 and 6 700 417. One obtains
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Proth prime number   (translated from German)
Proth prime number Proth prime numbers are Primzahlen the form ... to be odd must. There each prime number a number of the form $k\backslash cdot\; 2^n+1$ is, each prime number a Proth prime number is to a certain $...$
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Simple number- twins   (translated from Russian)
Simple number- twins Simple number- twins this is the pair prostykh numbers ... constant for the simple- twins. First simple number- twins: (3, 5), (5, 7), (11, 13 ... 523), (569, 571), (599, 601), (617, 619), (641, 643), (659, 661), (809, 811), (821, 823 ...
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