Contents

- 1 What are the factors of 15 and 24?
- 2 What are the multiple of 15?
- 3 What are the prime factors 15?
- 4 Is 15 a multiple of all its factors?
- 5 What is the GCF of 15 24 and 30?
- 6 What is the GCF of 10 15 and 30?
- 7 What are 5 multiples of 30?
- 8 What are 5 multiples of 22?
- 9 What are the first 5 multiples of 19?
- 10 What is the smallest prime factor of 15?
- 11 What is the prime factor of 16?
- 12 What is the largest prime factor of 15?
- 13 What factors are common to 15 and 30?
- 14 Does 1 count as a factor?
- 15 What is a factor of 2?

## What are the factors of 15 and 24?

What is **the Greatest Common Factor** of 15 and 24? **Greatest common factor (GCF**) of 15 and 24 is 3. We will now calculate the **prime factors** of 15 and 24, than find **the greatest common factor** (**greatest common divisor (gcd**)) of the numbers by matching the biggest common factor of 15 and 24.

## What are the multiple of 15?

Here is the list of all multiples: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, **225**, 240, 255, 270, 285, **300**, 315, 330, 345, 360, 375, 390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, 735, …

## What are the prime factors 15?

So, the **prime factors** of **15** are 3 × 5, where 3 and 5 both are **prime** numbers.

## Is 15 a multiple of all its factors?

The terms **factor** and **multiple** are sometimes confused with each other. **Factors** of **15** include 3 and 5; **multiples** of **15** include 30, 45, 60 (and more). See more below and at **multiple**.

## What is the GCF of 15 24 and 30?

As you can see when you list out the factors of each number, 3 is the greatest number that **15**, **24, and 30** divides into.

## What is the GCF of 10 15 and 30?

As you can see when you list out the factors of each number, 5 is the greatest number that **10**, **15, and 30** divides into.

## What are 5 multiples of 30?

The first **5 multiples of 30** are: 0, **30**, 60, 90, 120.

## What are 5 multiples of 22?

The first **5 multiples of 22** are **22**, 44, 66, 88, and 110.

## What are the first 5 multiples of 19?

The **first 5 multiples of 19** are **19**, 38, 57, 76, and 95.

## What is the smallest prime factor of 15?

Repeat this process until you end up with 1. Again, all the **prime numbers** you used to divide above are the Prime Factors of 15. Thus, the Prime Factors of 15 are: 3, 5.

## What is the prime factor of 16?

So, the prime factors of 16 are written as 2 × 2 × 2 **x 2** or 2^{4}, where 2 is a prime number.

## What is the largest prime factor of 15?

**Quantity A**: The factors of 15 are 1,3,5 and 15, with the biggest **prime number** being 5.

## What factors are common to 15 and 30?

What are the **common factors** of **15 and 30**? The **factors** of **15** are 1, 3, 5, and **15**. The **factors** of **30** are 1, 2, 3, 5, 10, **15, and 30**. The **common factors** of **15 and 30** are 1, 3, 5, and **15**.

## Does 1 count as a factor?

Prime numbers

A prime number **is** a number which **is** only divisible by **1** and itself. Prime numbers cannot be divided by another number to leave a whole number. The number **1** only has one **factor** (itself); therefore, **1 is** not a prime number.

## What is a factor of 2?

Answer. The **factors of 2** are: 1, **2**.