challenges.json

[
  {
    "created_at": "2016-11-21T21:07:29.175Z",
    "description": "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.\n\nFind the sum of all the multiples of 3 or 5 below 1000.",
    "id": 1,
    "source": "https://projecteuler.net/problem=1",
    "string": null,
    "title": "Multiples of 3 and 5",
    "updated_at": "2016-11-21T21:07:29.175Z"
  },
  {
    "created_at": "2016-11-21T21:07:29.180Z",
    "description": "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:\n\n1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...\nBy considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms.",
    "id": 2,
    "source": "https://projecteuler.net/problem=2",
    "string": null,
    "title": "Even Fibonacci Numbers",
    "updated_at": "2016-11-21T21:07:29.180Z"
  },
  {
    "created_at": "2016-11-21T21:07:29.184Z",
    "description": "The prime factors of 13195 are 5, 7, 13 and 29.\n\nWhat is the largest prime factor of the number 600851475143 ?",
    "id": 3,
    "source": "https://projecteuler.net/problem=3",
    "string": null,
    "title": "Largest Prime Factor",
    "updated_at": "2016-11-21T21:07:29.184Z"
  }
]