Problem 3 Largest prime factor
Problem 3: Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29.
What is the largest prime factor[……]
Problem 2 Even Fibonacci numbers
Problem 2: Even Fibonacci numbers
Each new term in the Fibonacci sequence is generated by adding the previous two[……]
Problem 1 Multiples of 3 and 5
Problem 1: Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get[……]