The common factors of 40 and 72 are 8, 4, 2, 1, intersecting the two sets above. In the intersection factors of 40 ∩ factors of 72 the greatest element is 8. Therefore, the greatest common factor of 40 and 72 is 8.
What is the greatest common multiple of 40 and 72?
8
Answer: GCF of 40 and 72 is 8.
What is the least common multiple of 40?
Multiples of 40 are {40,80,120,160,200,240,….} {12,24,36,48,60,72,84,96,108,120,132,144,156,168,180,192,204,216,228240,….} Hence, Least Common Multiple is 120 .
How to calculate the least common multiple of 42 and 72?
Least common multiple (LCM) of 42 and 72 is 504. Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor. The formula of LCM is LCM (a,b) = ( a × b) / GCF (a,b).
How do you find the LCM of 72?
The instructions to find the LCM of 72 are the next: 1. Decompose all numbers into prime factors 2. Write all numbers as the product of its prime factors 3. Choose the common and uncommon prime factors with the greatest exponent 4. Calculate the Least Common Multiple or LCM
Which is the least common multiple of 24 and 36?
Free LCM Calculator determines the least common multiple (LCM) between 24 and 36 the smallest integer that is 72 that is divisible by both numbers. Least Common Multiple (LCM) of 24 and 36 is 72. Least common multiple can be found by multiplying the highest exponent prime factors of 24 and 36.
Which is the least common multiple of two numbers?
For example, LCM (2,3) = 6 and LCM (6,10) = 30. For the least common multiple of more than 2 numbers, say a, b, c and d, it is the smallest integer that is evenly divisible by all numbers and can be calculated such that LCM (a,b,c,d) = LCM ( LCM ( LCM ( a,b ), c ), d ).
