Table of Contents

- 1 What two prime numbers make 63?
- 2 What is the multiple of 63?
- 3 What are two prime numbers?
- 4 What is the HCF of 105 and 63?
- 5 What is the perfect square of 63?
- 6 What is the lowest multiple of 63?
- 7 What is the HCF of 27 and 63?
- 8 Why is 65 not a prime number?
- 9 What is 63 as product of prime numbers?
- 10 What are all the multiples of 63?

## What two prime numbers make 63?

So, the prime factorisation of 63 is 3 × 3 × 7 or 32 × 7, where 3 and 7 are the prime numbers.

### What is the multiple of 63?

Hence, the first five multiples of 63 are 63, 126, 189, 252, and 315.

#### What are two prime numbers?

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.

**IS 63 is a prime factor?**

No, 63 is not a prime number. The number 63 is divisible by 1, 3, 7, 9, 21, 63. Since 63 has more than two factors, i.e. 1, 3, 7, 9, 21, 63, it is not a prime number.

**What is the prime numbers of 63?**

The prime factors of 63 are 3, 7.

## What is the HCF of 105 and 63?

The GCF of 63 and 105 is 21. To calculate the GCF (Greatest Common Factor) of 63 and 105, we need to factor each number (factors of 63 = 1, 3, 7, 9, 21, 63; factors of 105 = 1, 3, 5, 7, 15, 21, 35, 105) and choose the greatest factor that exactly divides both 63 and 105, i.e., 21.

### What is the perfect square of 63?

Interactive Questions

True | |
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Square root of 63 cannot be simplified in its radical form. | TrueTrue – Square root of 63 cannot be simplified in its radical form. |

Square root of 63 is a perfect square. | TrueTrue – Square root of 63 is a perfect square. |

#### What is the lowest multiple of 63?

The lowest common multiple is the lowest multiple shared by two or more numbers. For example, common multiples of 4 and 6 are 12, 24 and 36, but the lowest of those is 12; therefore, the lowest common multiple of 4 and 6 is 12.

**Why is 11 not a prime number?**

Is 11 a Prime Number? The number 11 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. Since 11 has exactly two factors, i.e. 1 and 11, it is a prime number.

**What is Coprime number?**

In number theory, two integers a and b are coprime, relatively prime or mutually prime if the only positive integer that is a divisor of both of them is 1. Consequently, any prime number that divides one of a or b does not divide the other.

## What is the HCF of 27 and 63?

9

Answer: HCF of 27 and 63 is 9.

### Why is 65 not a prime number?

For a number to be classified as a prime number, it should have exactly two factors. Since 65 has more than two factors, i.e. 1, 5, 13, 65, it is not a prime number.

#### What is 63 as product of prime numbers?

For instance 63, in our case, is a number gotten as a result of multiplying prime numbers. We can therefore write it as a product of its prime factors. 63 = 3 x 3 x 7. The prime numbers that make up 63 are 3 and 7, and 63 as a product of its prime factors is (3x 3 x7) 0.0.

**Is 63 a prime number or a composite number?**

The number 63 is not a prime number because it is possible to factorize it. In other words, 63 can be divided by 1, by itself and at least by 3 and 7. This is a so called ‘composite number’.

**What is the greatest prime factor of 63?**

Prime factors of 63 are 3, 7. Prime factorization of 63 in exponential form is: 63 = 3 2 × 7 1

## What are all the multiples of 63?

Multiples of 63 would be 63, 126, 189, 252 and so on. Now, compare the two lists to find the smallest number the two lists have in common, which is the Least Common Multiple of 12 and 63.