LCM for 14 and 28

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What's the Least Common Multiple (LCM) of 14 and 28?

Answer

LCM of 14 and 28 is
28

First common multiples: 28, 56, 84, …

As a common denominator: multiply the top and bottom of x/14 by 2.

14 divides 28 (28 ÷ 14 = 2), so the LCM is the larger number itself.

14 = 2 × 7

28 = 22 × 7

Prime1428Highest power
222222
7777

LCM = 22 × 7 = 28

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LCM Table

Number 1Number 2LCM
149126
1415210
1416112
1417238
1418126
1419266
1420140
142142
1422154
1423322
1424168
1425350
1426182
1427378
142828
1430210
1432224
143570
1439546
1441574
144242
1444308
1445630
144998
1455770
1457798
1458406
1460420
1463126
148484

FAQ

What's the Least Common Multiple (LCM) of 14 and 28?

LCM of 14 and 28 is 28

How to find the LCM of 14 and 28 using prime factorization?

To find the LCM of 14 and 28, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 28.

What is the difference between LCM and GCF?

LCM (Least Common Multiple) is the smallest number divisible by both numbers, while GCF (Greatest Common Factor) is the largest number that divides both. For 14 and 28: LCM = 28, GCF = 14.

See Also