Question

Express 80 as the sum of two prime numbers

Answer 1

Answer:

67+13=80

37+43=80

73+7=80

Answer 2

Answer:

80 can be expressed as the sum of 7 and 73 which are prime numbers

Step-by-step explanation:

• Prime numbers are defined as the numbers which have only 2 factors i.e. 1 and the number themselves.
• The example of the prime numbers are 2,3,5,7,11,13,17.
• 1 is not a prime number as it has only factor as 1. Thus it is a coprime number.
• The sum of 2 prime number is 80. Then numbers can be (7,73),(13,67),(19,61)
• The sum of all these numbers is 80 and has only factors 1 and the number themselves.