The LCM of 3,6,21 3 , 6 , 21 is 2⋅3⋅7=42 2 ⋅ 3 ⋅ 7 = 42 .
What is the least common multiple of 6 and 3?
What is the LCM of 3 and 6? The LCM of 3 and 6 is 6.
What is the least common multiple of 7 20 and 3?
420
Calculate the LCM The least common multiple of 20, 7 and 3 is 420.
What is 21 a multiple of?
What are multiples of 21? The multiples of 21 are 21, 42, 63, 84, 105, 126, 147, 168, 189, 210, ….
What is the LCM of 7 20?
140
Answer: LCM of 7 and 20 is 140.
What is the LCM of 6 and 7?
Answer: LCM of 6 and 7 is 42.
What is the least common multiples of 6 and 20?
Least common multiple (LCM) of 6 and 20 is 60. LCM(6,20) = 60. 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.
Which is the least common multiple of 3?
The multiples of 3 are 3, 6, 9, 12, 15, 18, etc. The multiples of 5 are 5, 10, 15, 20, 25, etc. Find the first Common (same) value: The Least Common Multiple of 3 and 5 is 15. (15 is a multiple of both 3 and 5, and is the smallest number like that.)
How to calculate the LCM of 6 and 20?
First we will calculate the prime factors of 6 and 20. Prime factors of 6 are 2, 3. Prime factorization of 6 in exponential form is: Prime factors of 20 are 2, 5. Prime factorization of 20 in exponential form is: Now multiplying the highest exponent prime factors to calculate the LCM of 6 and 20.
Which is the least common multiple for 4 and 6?
6: 6, 12 ,18,24,30,36,42….. From the above two expressions you can see, 4 and 6 have common multiples as 12 and 24. They may have more common multiple if we go beyond. Now, the smallest or least common multiple for 4 and 6 is 12. Therefore, 12 is the LCM of 4 and 6.
