Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 142, 144 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 142 and 144 is 2.
GCF(142,144) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 142
2 | 142 |
71 | 71 |
1 |
Prime factors of 142 are 2,71. Prime factorization of 142 in exponential form is:
142 = 21×711
Prime Factorization of 144
2 | 144 |
2 | 72 |
2 | 36 |
2 | 18 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 144 are 2,3. Prime factorization of 144 in exponential form is:
144 = 24×32
∴ So by taking common prime factors GCF of 142 and 144 is 2
Factors of 142
List of positive integer factors of 142 that divides 142 without a remainder.
1,2,71,142
Factors of 144
List of positive integer factors of 144 that divides 144 without a remainder.
1,2,3,4,6,8,9,12,16,18,24,36,48,72,144
Greatest Common Factor
We found the factors and prime factorization of 142 and 144. The biggest common factor number is the GCF number.
So the greatest common factor 142 and 144 is 2.
Also check out the Least Common Multiple of 142 and 144
(i) The GCF of 142 and 144 is associative
GCF of 142 and 144 = GCF of 144 and 142
1. What is the GCF of 142 and 144?
Answer: GCF of 142 and 144 is 2.
2. What are the Factors of 142?
Answer: Factors of 142 are 1, 2, 71, 142. There are 4 integers that are factors of 142. The greatest factor of 142 is 142.
3. What are the Factors of 144?
Answer: Factors of 144 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144. There are 15 integers that are factors of 144. The greatest factor of 144 is 144.
4. How to Find the GCF of 142 and 144?
Answer:
Greatest Common Factor of 142 and 144 = 2
Step 1: Find the prime factorization of 142
142 = 2 x 71
Step 2: Find the prime factorization of 144
144 = 2 x 2 x 2 x 2 x 3 x 3
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 142 and 144 is 2