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 145, 148 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 145 and 148 is 1.
GCF(145,148) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 145
5 | 145 |
29 | 29 |
1 |
Prime factors of 145 are 5,29. Prime factorization of 145 in exponential form is:
145 = 51×291
Prime Factorization of 148
2 | 148 |
2 | 74 |
37 | 37 |
1 |
Prime factors of 148 are 2,37. Prime factorization of 148 in exponential form is:
148 = 22×371
∴ So by taking common prime factors GCF of 145 and 148 is 1
Factors of 145
List of positive integer factors of 145 that divides 145 without a remainder.
1,5,29,145
Factors of 148
List of positive integer factors of 148 that divides 148 without a remainder.
1,2,4,37,74,148
Greatest Common Factor
We found the factors and prime factorization of 145 and 148. The biggest common factor number is the GCF number.
So the greatest common factor 145 and 148 is 1.
Also check out the Least Common Multiple of 145 and 148
(i) The GCF of 145 and 148 is associative
GCF of 145 and 148 = GCF of 148 and 145
1. What is the GCF of 145 and 148?
Answer: GCF of 145 and 148 is 1.
2. What are the Factors of 145?
Answer: Factors of 145 are 1, 5, 29, 145. There are 4 integers that are factors of 145. The greatest factor of 145 is 145.
3. What are the Factors of 148?
Answer: Factors of 148 are 1, 2, 4, 37, 74, 148. There are 6 integers that are factors of 148. The greatest factor of 148 is 148.
4. How to Find the GCF of 145 and 148?
Answer:
Greatest Common Factor of 145 and 148 = 1
Step 1: Find the prime factorization of 145
145 = 5 x 29
Step 2: Find the prime factorization of 148
148 = 2 x 2 x 37
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 145 and 148 is 1