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loris [4]
2 years ago
5

Which number is prime? 4 , 9, 21 , 23

Mathematics
2 answers:
Ivanshal [37]2 years ago
8 0

answer:

23 is prime because it can only be divided by 1 and itself.

Lina20 [59]2 years ago
7 0

Answer: 23

Step-by-step explanation:

No two number can multiply into 23 besides 23 times 1

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