**1 and 23**.

Since 23 is a prime number, therefore, it has only two factors.

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## What are the prime factors 23?

Hence, the factors of 23 are 1 and 23. Therefore, 23 is a prime number as it has only 2 factors: 1 and itself.

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## What are the multiples of 23?

Solution: The first 10 multiples of 23 are 23, 46, 69, 92, 115, 138, 161, 184, 207, 230.

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## Is 23 the only prime number?

The prime numbers from 1 to 100 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.

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## Why is 11 not a prime number?

Number 11 is a prime number because it doesn’t have proper factors. In other words, the only factors of 11 are 1 and itself.

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## Why is 23 not a prime number?

The number 23 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors.

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## Why is 69 not a prime number?

The number 69 is a composite number. Its factors are 1, 3, 23, and 69. Because 69 has more than two factors, it is a composite number rather than a prime number.

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## Are 23 and 29 twin prime numbers?

There are six twin prime numbers pairs between 1 and 50; they are (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), and (41, 43).

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## What are the first 5 multiples of 23?

The first 5 multiples of 23 are, 23, 46, 69, 92, and 115.

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## Is 46 a multiple of 23?

The multiples of 23 are 23, 46, 69, 92, 115, 138, …

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## Is 23 a multiple of 7?

The multiples of 7 between 1 to 100 are 7 , 14 , 21 , 28 , 35 , 42 , 49 , 56 , 63 , 70, 77, 84, 91, 98.

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## What is the LCM of 9 and 23?

Solution: The LCM of 9 and 23 is 207.

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