LCM for 63 and 77

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What's the Least Common Multiple (LCM) of 63 and 77?

Answer

LCM of 63 and 77 is
693

First common multiples: 693; 1,386; 2,079; …

693 is divisible by both: 693 ÷ 63 = 11, 693 ÷ 77 = 9 — and 11 and 9 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/63 by 11 and of y/77 by 9.

63 = 32 × 7

77 = 7 × 11

Prime6377Highest power
332—32
7777
11—1111

— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.

LCM = 32 × 7 × 11 = 693

More with these numbers

See Also

LCM Table

Number 1Number 2LCM
63623,906
636363
63644,032
63654,095
63661,386
63674,221
63684,284
63691,449
6370630
63714,473
6372504
63734,599
63744,662
63751,575
63764,788
6377693
63781,638
63794,977
63805,040
6381567
63825,166
63835,229
6384252
63855,355
63865,418
63871,827
63885,544
63895,607
6390630
6391819

FAQ

What's the Least Common Multiple (LCM) of 63 and 77?

LCM of 63 and 77 is 693

How to find the LCM of 63 and 77 using prime factorization?

To find the LCM of 63 and 77, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 693.

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 63 and 77: LCM = 693, GCF = 7.

See Also