Greatest common factor (GCF)
- Step by Step Solution. Calculate Greatest Common Factor for : 18, 45 and 72. Factorize of the above numbers : 18 = 2 • 32 45 = 32 • 5. 72 = 23 • 32
- Why learn this.
- Terms and topics. GCF calculator.
- Related links. Greatest common factor (GCF) explained | Arithmetic (video) | Khan Academy.
What are the common factors of 18 48?
The GCF of 18 and 48 is 6. To calculate the GCF (Greatest Common Factor) of 18 and 48, we need to factor each number (factors of 18 = 1, 2, 3, 6, 9, 18; factors of 48 = 1, 2, 3, 4, 6, 8, 12, 16, 24, 48) and choose the greatest factor that exactly divides both 18 and 48, i.e., 6.
What is the greatest common divisor of 18 45 and 72?
GCF of 45 and 72 by Prime Factorization As visible, 45 and 72 have common prime factors. Hence, the GCF of 45 and 72 is 3 × 3 = 9.
What is the highest factor of 48 and 18?
The biggest common factor number is the GCF number. So the greatest common factor 48 and 18 is 6.
What is the least common multiple of 48 and 72?
144
Answer: LCM of 48 and 72 is 144.What are the factors for 48 and 72?
For 48 and 72 those factors look like this: 1 Factors for 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48 2 Factors for 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72 More …
Which is the prime factorization of 18 and 72?
We will first find the prime factorization of 18 and 72. After we will calculate the factors of 18 and 72 and find the biggest common factor number . Prime factors of 18 are 2, 3. Prime factorization of 18 in exponential form is: Prime factors of 72 are 2, 3. Prime factorization of 72 in exponential form is:
Which is the most 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 24 because it divides all them without a remainder. Read more about Common Factors below.
