Q1. A prime number is a number that have only one factors and its ~~ △ -is draw is known as. Ⓞ Triangle ⓬ Circle ⓠ Square Circle a prime number is in the following numbers. 2, 3, 5, 7

A prime number is defined as a natural number greater than 1 that has exactly two distinct positive divisors: 1 and itself. The statement in the question is incomplete and incorrect.

A prime number is a number that has exactly two factors: 1 and itself.

The symbol $\triangle$ represents a triangle.
The options are:
① Triangle
② Circle
③ Square

The correct option is ① Triangle.

Identify the prime numbers from the list: 2, 3, 5, 7.
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

• 2 is a prime number (factors: 1, 2).
• 3 is a prime number (factors: 1, 3).
• 5 is a prime number (factors: 1, 5).
• 7 is a prime number (factors: 1, 7).

All the given numbers are prime numbers.
The prime numbers are: $\boxed{\text{2, 3, 5, 7}}$