# What is the greatest prime factor of 30?

## What is the greatest prime factor of 30?

The prime factors of 30 are 5, 3 and 2. The prime numbers 5 and 3 are both factors that are common to 30 and 75. The product of these factors is 3×5 = 15. Thus, the “Greatest Common Factor” of 30 and 75 is 15.

How do you find the factor of 30?

Factor Pairs of 30

1. 1 x 30 = 30.
2. 2 x 15 = 30.
3. 3 x 10 = 30.
4. 5 x 6 = 30.

### What factors are common to 15 and 30?

There are 4 common factors of 15 and 30, that are 1, 3, 5, and 15. Therefore, the greatest common factor of 15 and 30 is 15.

What is the Prime Factors of 77?

The factors of 77 by prime factorization are 1, 7, 11, and 77.

#### What are some factor pairs of 30?

The positive pair factors of 30 are (1, 30), (2, 15), (3, 10) and (5, 6).

What is the HCF of 15 25 and 30?

5
Answer: HCF of 15, 25 and 30 is 5.

## Does 15 and 30 have a GCF of 5?

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

What are the Prime Factors of 28?

Its Prime Factors are 1, 2, 4, 7, 14, 28 and (1, 28), (2, 14) and (4, 7) are Pair Factors.

### What are the Prime Factors of 90?

Therefore the prime factorization of 90 is 90 =3 × 3 × 5 × 2. Taking another prime number which is a factor of 90. Let us divide 90 by the number 2 (even prime number).

What is the multiple of 30?

Multiples of 30: 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330… Common multiples of 25 and 30 include 150 and 300. The lowest common multiple or least common multiple is the lowest multiple two numbers have in common.

#### What is the HCF of 25 and 30?

GCF of 25 and 30 by Listing Common Factors Therefore, the greatest common factor of 25 and 30 is 5.

What is the HCF of 15 20 and 30?

As you can see when you list out the factors of each number, 5 is the greatest number that 15, 20, and 30 divides into.