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# What is the greatest prime factor of 45?

## What is the greatest prime factor of 45?

Prime Factorization of 45

Factors of 45 1, 3, 5, 9, 15, 45
Positive factor pairs of 45 (1, 45), (3, 15), (5, 9)
Negative factor pairs of 45 (-1, -45), (-3, -15), (-5, -9)
Prime factorization of 45 3 × 3 × 5 (Or) 32 × 5
Number of factors of 45 6

What is the common factors of 45?

So in list form, the 45 factors are 1, 3, 5, 9, 15, and 45.

### What is the prime factorization of 45 *?

The prime factorization of 45 is written as 3 * 3 * 5 or 3^2 * 5.

What is the prime factorization 45 using exponents?

3 x 3 x 5
Since 3 and 5 are already prime numbers, we cannot factor out the equation any further. Thus, the prime factorization of 45 is 3 x 3 x 5.

## What is the prime factorization 45?

Prime factorization of 45 = 1 × 3 × 3 × 5. Therefore, Prime factors of 45 are 1, 3, and 5.

Is 45 a prime or composite?

Yes, since 45 has more than two factors i.e. 1, 3, 5, 9, 15, 45. In other words, 45 is a composite number because 45 has more than 2 factors.

### What is the greatest common factor of 45 and 105?

15
Answer: GCF of 45 and 105 is 15.

What is the LCM of 45 and 75?

225
Answer: LCM of 45 and 75 is 225.

## What is the exponential form of 45?

3^3 is the exponential form of 45 .

What are the multiples of 45?

In the end, you have a total of 20 multiples of 45 are 45, 90, 135, 180, 225, 270, 315, 360, 405, 450, 495, 540, 585, 630, 675, 720, 765, 810, 855, 900. Important Notes: First 5 multiples of 45 are 45, 90, 135, 180, and 225. If X is a multiple of a and b, it means a × b = X.

### What are the common factor of 9 and 45?

The GCF of 9 and 45 is 9. To calculate the GCF (Greatest Common Factor) of 9 and 45, we need to factor each number (factors of 9 = 1, 3, 9; factors of 45 = 1, 3, 5, 9, 15, 45) and choose the greatest factor that exactly divides both 9 and 45, i.e., 9.