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This is a list of articles about prime numbers. A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. By Euclid's theorem, there are an infinite number of prime numbers. Subsets of the prime numbers may be generated with various formulas for primes.
Butterfly stroke Overhead shot of a swimmer performing the butterfly stroke Butterfly stroke, shortly before entering the water again; view from behind. The butterfly (shortened to fly [1]) is a swimming stroke swum on the chest, with both arms moving symmetrically, accompanied by the butterfly kick (also known as the "dolphin kick") along with the movement of the hips and chest.
Butterfly stroke: performed face down in the water. The legs perform a dolphin kick while the arms move in a forward circle at the same time. Slow butterfly (also known as "moth stroke"): Similar to butterfly, but with an extended gliding phase, Breathing during the pull/push phase, return head into the water during recovery.
If the event is medley swimming turns vary based on the combination order of what stroke the swimmer is changing from and to. According to the USA Swimming Stroke and Turn Regulations, in order of the strokes the turns are to be: [4] Butterfly to backstroke is a two-hand touch open turn. Once a legal touch has been made, the swimmer may turn in ...
Medley swimming is a combination of four different swimming strokes (freestyle (usually front crawl), backstroke, breaststroke, butterfly) into one race. This race is either swum by one swimmer as individual medley ( IM ) or by four swimmers as a medley relay .
The tables contain the prime factorization of the natural numbers from 1 to 1000. When n is a prime number, the prime factorization is just n itself, written in bold below. The number 1 is called a unit. It has no prime factors and is neither prime nor composite.
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Print/export Download as PDF; Printable version; In other projects ... Pages in category "Butterfly stroke" The following 4 pages are in this category, out of 4 total