Table of Contents

## What is the greatest factor of 121?

Factors of 121 are the list of integers that we can split evenly into 121. There are 3 factors of 121 of which 121 itself is the biggest factor and its positive factors are 1, 11 and 121. The Prime Factors of 121 are 1, 11, 121 and its Factors in Pairs are (1, 121) and (11, 11).

**What is the GCF for 144?**

To calculate the GCF of 36 and 144, we need to factor each number (factors of 36 = 1, 2, 3, 4, 6, 9, 12, 18, 36; factors of 144 = 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144) and choose the greatest factor that exactly divides both 36 and 144, i.e., 36.

**What is the GCF of 124 and 144?**

The GCF of 124 and 144 is 4.

### What is the HCF of 44 121 and 132?

==>> So the greatest common factor 121 and 132 is 11.

**What do 24 and 144 have in common?**

The GCF of 24 and 144 is 24.

**What is the HCF of 144 and 160?**

The GCF of 144 and 160 is 16.

#### What is the HCF of 182?

The factors of 182 are 1, 2, 7, 13, 14, 26, 91, 182 and factors of 25 are 1, 5, 25. Therefore, the Least Common Multiple of 182 and 25 is 4550 and Highest Common Factor (HCF) of 182 and 25 is 1.

**What is the HCF of 143?**

The factors of 143 are 1,11 ,13 and 143. The factors of 121 are 1, 11 and 121. The common factors are 1 and 11. The greatest common factor of 143 and 121 is 11.

**What are multiples of 121?**

Solution: The first 10 multiples of 121 are 121, 242, 363, 484, 605, 726, 847, 968, 1089 and 1210.

## How many 11’s are there in 121?

Interactive Questions

True | False | |
---|---|---|

All the multiples of 11 are even | TrueTrue – All the multiples of 11 are even | FalseFalse – All the multiples of 11 are even |

121 is a multiple of 11. | TrueTrue – 121 is a multiple of 11. | FalseFalse – 121 is a multiple of 11. |

**What are the factors of 144?**

Factors of 144

- Factors of 144: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72 and 144.
- Negative Factors of 144: -1, -2, -3, -4, -6, -8, -9, -12, -16, -18, -24, -36, -48, -72 and -144.
- Prime Factors of 144: 2, 3.
- Prime Factorization of 144: 2 × 2 × 2 × 2 × 3 × 3 = 24 × 32
- Sum of Factors of 144: 403.