answersLogoWhite

0


Best Answer

3 = 3 x 1

6 = 3 x 2

21 = 3 x 7

51 = 3 x 17

'3' is a common factor throughout.

Hence

3 x 1 x 2 x 7 x 17 = 714 Is the LCM

User Avatar

lenpollock

Lvl 16
1mo ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

10y ago

714

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the LCM of 3 6 21 and 51?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is the GCF and LCM of 6 and 21?

The LCM of 6 and 21 is 42. Their GCF is 3.


What is the LCM of 3 6 7 21?

42


Lcm of 3 and 21?

The least common multiple is the smallest positive number that is the multiple of two or more numbers. 3: 3, 6, 9, 12, 15, 18, 21 21: 21 The LCM of 3 and 21 is 21.


What is the LCM of 6 and 15 and 21?

The LCM is 210.


What is the LCM of 21 6 and 17?

The LCM is 714.


What is the LCM of 51 17 and 6?

The LCM is: 102


What is the LCM of 16 14 12 10 8 and 6?

Dissolving into prime divisors we get 16 = 24 14 = 21 * 71 12 = 22 * 31 10 = 21 * 51 8 = 23 6 = 21 * 31 Taking the greatest exponents for each prime, we get lcm(16,14,12,10,8,6) = 24 * 31 * 51 * 71 = 1680


What is the LCM of 5 6 and 21?

LCM of 5 6 and 21 is 210.


What is the least common multiple of 3 6 and 21?

The LCM is: 42


What is the least common multiple of 4 3 6 and 5?

The LCM is 60. (3 and 5 are prime numbers) 3 = 3 x 1 = 31 4 = 2 x 2 = 22 5 = 5 x 1 = 51 6 = 2 x 3 = 21 x 31 The LCM is the product of the highest exponents of the primes within the numbers. LCM = 22 x 3 x 5 = 60


What is the LCM of 21 77 63?

For 21, 63 and 167 the LCM is: 10,521


What two numbers have an LCM of 36 a GCF of 3 and a sum of 21?

12 and 9. Since both have to be multiples of 3 and sum to 21, the only pairs to consider are 3 and 18 6 and 15 9 and 12 Of these, 3 and 18 have an LCM of 18 and 6 and 15 have an LCM of 30.