Here's the breakdown of divisibility for the numbers 2 and 4:

• 2:
  • The number 2 is a prime number.
  • Prime numbers are only divisible by 1 and themselves.
  • Therefore, 2 is only divisible by 1 and 2.
• 4:
  • The number 4 is not a prime number.
  • The factors of 4 are 1, 2, and 4.
  • Therefore, 4 is divisible by 1, 2, and 4.