Table of Contents

## What are the factors of 64 and 27?

For 27 and 64 those factors look like this:

- Factors for 27: 1, 3, 9, and 27.
- Factors for 64: 1, 2, 4, 8, 16, 32, and 64.

### What is the GCF of 64?

The GCF of 64 and 32 is 32. To calculate the greatest common factor of 64 and 32, we need to factor each number (factors of 64 = 1, 2, 4, 8, 16, 32, 64; factors of 32 = 1, 2, 4, 8, 16, 32) and choose the greatest factor that exactly divides both 64 and 32, i.e., 32.

**What is the greatest common multiple of 28 and 64?**

4

Answer: GCF of 28 and 64 is 4.

**What is the greatest common multiple of 27?**

The factors of 27 are 1, 3, 9, 27. The common factors of 18 and 27 are 1, 3 and 9. The greatest common factor of 18 and 27 is 9.

## What is the factors of 64?

Factors of 64

- Factors of 64: 1, 2, 4, 8, 16, 32 and 64.
- Negative Factors of 64: -1, -2, -4, -8, -16, -32 and -64.
- Prime Factors of 64: 2.
- Prime Factorization of 64: 2 × 2 × 2 × 2 × 2 × 2 = 26
- Sum of Factors of 64: 127.

### What is the HCF of 27 and 63?

9

Answer: HCF of 27 and 63 is 9.

**What is the HCF of 64 and 20?**

The GCF of 20 and 64 is 4.

**What is the GCF of 77 121?**

The GCF of 77 and 121 is 11.

## What is the GCF of 52 and 36?

The GCF of 36 and 52 is 4.

### What is the GCF of 30 and 77?

What is the GCF of 30 and 77? The GCF of 30 and 77 is 1.

**What is the LCM of 9 6 and 3?**

18

Answer: LCM of 3, 6, and 9 is 18.

**What is the GCF of 35 and 27?**

The GCF of 27 and 35 is 1.

## Which is the greatest common factor of 28 and 64?

The GCF is the largest common positive integer that divides all the numbers (28, 64) without a remainder. The GCF is also known as: Greatest common divisor (gcd); Highest common factor (hcf); Greatest common measure (gcm), or. Highest common divisor.

### Which is the least common multiple in this calculator?

Calculator Use The Least Common Multiple (LCM) is also referred to as the Lowest Common Multiple (LCM) and Least Common Divisor (LCD). For two integers a and b, denoted LCM (a,b), the LCM is the smallest positive integer that is evenly divisible by both a and b. For example, LCM (2,3) = 6 and LCM (6,10) = 30.

**How to find the LCM using the greatest common factor?**

The formula to find the LCM using the Greatest Common Factor GCF of a set of numbers is: A factor is a number that results when you can evenly divide one number by another. In this sense, a factor is also known as a divisor. The greatest common factor of two or more numbers is the largest number shared by all the factors.

**Which is the least common multiple of 6 7 21?**

Multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60. Multiples of 7: 7, 14, 21, 28, 35, 42, 56, 63. Multiples of 21: 21, 42, 63. Find the smallest number that is on all of the lists. We have it in bold above. So LCM (6, 7, 21) is 42.