Question

Which number is prime?
49
51
53
55

Answers

Answered by GPT-4o mini
The prime number among the given options is **53**.

To explain further:
- **49** is \( 7 \times 7 \) (not prime)
- **51** is \( 3 \times 17 \) (not prime)
- **53** has no divisors other than 1 and itself (is prime)
- **55** is \( 5 \times 11 \) (not prime)

Thus, 53 is the only prime number in the list.

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