The factors of 45 and 120 are 1, 3, 5, 9, 15, 45 and 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120 respectively. There are 3 commonly used methods to find the GCF of 45 and 120 – Euclidean algorithm, prime factorization, and long division.
Which is the greatest common factor of 40 and 120?
Greatest Common Factor of 40 and 120. Greatest common factor (GCF) of 40 and 120 is 40. GCF(40,120) = 40.
How to find the factors of a number 120?
As 120 is a composite number, it has more than two factors. The factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60 and 120. We can find the pair factors of a number 120, by multiplying two numbers in a pair to get the original number. The pair factors of 120 can be positive or negative.
How to find the factors of the number 40?
We can find the factor pairs, by multiplying two numbers in a pair to get the original number as 40, such as; 1 × 40 = 40. 2 × 20 = 40. 4 × 10 = 40. 5 × 8 = 40. Therefore, the factors in pairs are (1, 40), (2, 20), (4, 10) and (5, 8). The number 40 is a composite number, now let us find its prime factors.
Are there any prime factors of 120 in exponential form?
Prime factors of 120 are 2, 3, 5. Prime factorization of 120 in exponential form is: List of positive integer factors of 40 that divides 40 without a remainder. List of positive integer factors of 120 that divides 40 without a remainder. We found the factors and prime factorization of 40 and 120. The biggest common factor number is the GCF number.
The factors of 45 are 1, 3, 5, 9, 15 and 45. The factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60 and 120. So, the Greatest Common Factor for these numbers is 15 because it divides all them without a remainder.
Which is the most common factor for 45?
The factors of 45 are 1, 3, 5, 9, 15 and 45. The factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60 and 120. So, the Greatest Common Factor for these numbers is 15 because it divides all them without a remainder. Read more about Common Factors below. The first step is to find all divisors of each number.
Which is the most common factor of 120?
The factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60 and 120. So, the Greatest Common Factor for these numbers is 15 because it divides all them without a remainder.
Which is the highest HCF of 24 and 36?
Similarly, HCF of 24 and 36 is 12, because the common factors of 24 and 36 = 1, 2, 3, 4, 6, 8 and 12. Hence, the Highest Common Factor (H.C.F) of 24 and 36 is 12 and for 24, 36 and 56 it is 4. Hence, 2 is the Highest Common Factor of 18, 20 and 12.
