minmelonie392 minmelonie392

16-08-2021
Mathematics

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the question is "13, 17, 21, 23, 29 one of the numbers is different from the rest, which one and why?"
step by step explanation

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officechinedusamuel officechinedusamuel

16-08-2021

Answer:

21

Step-by-step explanation:

it is not a prime number, according to prime number only the number and 1 can it be divided but here 21 can be divided by 1,3,7 and 21 itself. Therefore others are prime number except 21

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