JSFiddle

fosco's public fiddles

• 83j7rpeL

  No-Library (pure JS), HTML, CSS, JavaScript

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• oL6cf3bh

  No-Library (pure JS), HTML, CSS, JavaScript

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• first for Juuso Alho

  first for Juuso Alho

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• mUEr2

  jQuery 2.1.0, HTML, CSS, JavaScript

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• jQuery Allowed Chars simple plugin

  jQuery plugin to restrict users for typing only allowed chars for specified element

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• 10) Summation of primes

  The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below two million.

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• 9) Special Pythagorean triplet

  A Pythagorean triplet is a set of three natural numbers, a b c, for which, a2 + b2 = c2 For example, 32 + 42 = 9 + 16 = 25 = 52. There exists exactly one Pythagorean triplet for which a + b + c = 1000. Find the product abc.

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• 8) Largest product in a series

  Find the greatest product of five consecutive digits in the 1000-digit number.

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• Is Prime function (adv)

  No-Library (pure JS), HTML, CSS, JavaScript

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• 7) 10001st prime (2nd version)

  By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the 10 001st prime number?

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• 7) 10001st prime

  By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the 10 001st prime number?

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• Sieve of Eratosthenes

  No-Library (pure JS), HTML, CSS, JavaScript

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• Is Prime function

  No-Library (pure JS), HTML, CSS, JavaScript

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• 1) Multiples of 3 and 5

  If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000.

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• 6) Sum square difference

  The sum of the squares of the first ten natural numbers is, 12 + 22 + ... + 102 = 385 The square of the sum of the first ten natural numbers is, (1 + 2 + ... + 10)2 = 552 = 3025 Hence the difference between the sum of the squares of the first ten natural numbers and the square of the sum is 3025 385 = 2640. Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum.

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• 5) Smallest multiple

  2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?

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• 4) Largest palindrome product

  A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 99. Find the largest palindrome made from the product of two 3-digit numbers.

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• 3) Largest prime factor

  The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ?

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• 2) Even Fibonacci numbers

  Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, … By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms.

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• Prime Factor function

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