prime numbers

• What are the prime factors of 12?

  2 and 3
• How can you find the prime factors of a number?

  By dividing the number by the smallest prime factors until you reach 1.
• What is a prime number?

  A prime number can be divided by 1 and itself.
• What makes a Prime number?

  a whole number greater than 1 with only two factors - itself and 1.
• Prime numbers 0-20


  2, 3, 5, 7, 11, 13, 17, 19
• What is a prime factor?

  the ‘prime numbers’ that are multiplied to get the original number.
• What are the prime factors of 42?

  1, 2, 3 and 7
• What are the prime factors of 36

  1, 2, 3, 4, 6 and 12