The GCF of 45 and 72 is 9.
What is a common multiple of 45 and 72?
Answer: LCM of 45 and 72 is 360.
What are the factors of 45 and 75?
The factors of 45 and 75 are 1, 3, 5, 9, 15, 45 and 1, 3, 5, 15, 25, 75 respectively.
What is the least common multiple of 45 and 72?
What is the LCM of 45 and 72? The LCM of 45 and 72 is 360.
What are the factors of 45 and 50?
The gcf of 45 and 50 can be obtained like this:
- The factors of 45 are 45, 15, 9, 5, 3, 1.
- The factors of 50 are 50, 25, 10, 5, 2, 1.
- The common factors of 45 and 50 are 5, 1, intersecting the two sets above.
- In the intersection factors of 45 ∩ factors of 50 the greatest element is 5.
Which is the greatest factor of 45 and 72?
For 45 and 72 those factors look like this: Factors for 45: 1, 3, 5, 9, 15, and 45 Factors for 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72 As you can see when you list out the factors of each number, 9 is the greatest number that 45 and 72 divides into.
Are there any factors other than the number 72?
As the number 72 is a composite number, it has many factors other than one and the number itself. Thus the factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72.
How to find the factors of the number 45?
Factors of 45 in Pair. We can find the pair factors of number 45, by multiplying two numbers in a pair to get the original number as 45, such as; 1 × 45 = 45. 3 × 15 = 45. 5 × 9 = 45. Therefore, the pair factors are (1, 45), (3, 15) and (5, 9). The number 45 is a composite number.
How is the number 45 a composite number?
Therefore, the pair factors are (1, 45), (3, 15) and (5, 9). The number 45 is a composite number. Now let us take out prime factorisation of 45. The first step is to divide the number 45 with the smallest prime factor,i.e. 2. 45 ÷ 2 = 22.5; factor cannot be a fraction. Now, proceed to the next prime numbers, i.e. 3.
