Identify the composite number. Responses 31 31 - no response given 71 71 - no response given 51 51 - no response given 61

1 answer

A composite number is a positive integer that has at least one positive divisor other than one and itself. In the list you provided, let's analyze the numbers:

  • 31: Prime number
  • 71: Prime number
  • 51: Composite number (divisible by 3 and 17)
  • 61: Prime number

Therefore, the composite number in your list is 51.