Write 28 as a sum of 2 prime numbers.
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Step-by-step explanation:
The sum of the three prime factors of 28, is 2 + 2 + 7 = 11.
The sum of the two distinct prime factors of 28, is 2 + 7 = 9.
The sum of the divisors of 28 excluding itself, is 1+2+4+7+14 = 28.
The sum of all divisors of 28, is 1+2+4+7+14+28 = 56.
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Answer:
17 and 11
Step-by-step explanation:
17+11=28
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