Table of Contents
- 1 What is the largest factor of 72?
- 2 What is the largest number which is a factor of 48 and 72?
- 3 What is the largest whole number that is a factor of 45 and 75?
- 4 What are the prime factors of 48 and 72?
- 5 What is the least common multiple of 45 and 75?
- 6 How to find the GCF of 45 and 72?
- 7 Are there any perfect squares in the factors of 72?
What is the largest factor of 72?
Factors of 72 are the list of integers that can be evenly divided into 72. There are overall 12 factors of 72 among which 72 is the biggest factor and 2 and 3 are its prime factors. The sum of all factors of 72 is 195.
What is the largest number which is a factor of 48 and 72?
24
Therefore, the greatest common factor of 48 and 72 is 24.
What is the largest whole number that is a factor of 45 and 75?
15
The GCF of 45 and 75 is 15.
What is the largest factor of 45?
Factors of 45
- Factors of 45: 1, 3, 5, 9, 15 and 45.
- Negative Factors of 45: -1, -3, -5, -9, -15 and -45.
- Prime Factors of 45: 3, 5.
- Prime Factorization of 45: 3 × 3 × 5 = 32 × 5.
- Sum of Factors of 45: 78.
What is the biggest perfect square factor of 72?
72 is a composite number. Hence factors of 72 are 1, 2, 3, 4, 6, 8, 9 12, 18, 24, 36, and 72. When we find the square root of any number, we take one number from each pair of the same numbers from its prime factorization and we multiply them.
What are the prime factors of 48 and 72?
Prime Factors for 48: 2, 2, 2, 2, and 3. Prime Factors for 72: 2, 2, 2, 3, and 3.
What is the least common multiple of 45 and 75?
225
Answer: LCM of 45 and 75 is 225.
How to find the GCF of 45 and 72?
The first step to find the gcf of 45 and 72 is to list the factors of each number. The factors of 45 are 1, 3, 5, 9, 15 and 45. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72.
Which is the greatest common factor of 72?
The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72. So, the Greatest Common Factor for these numbers is 9 because it divides all them without a remainder. Read more about Common Factors below.
Which is the most common factor of 45?
The factors of 45 are 1, 3, 5, 9, 15 and 45. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72. So, the Greatest Common Factor for these numbers is 9 because it divides all them without a remainder.
Are there any perfect squares in the factors of 72?
Alternatively, you could find the greatest perfect square out of the factors of 72. A perfect square made by squaring a whole number, and you can see that the only perfect squares in the factors of 72 are: 4, 9, and 36. So your answer can only be one of these numbers.