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What is the Least Common Multiple of 10968 and 10980?

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.

Least common multiple (LCM) of 10968 and 10980 is 10035720.

LCM(10968,10980) = 10035720

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Least Common Multiple of 10968 and 10980 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10968 and 10980, than apply into the LCM equation.

GCF(10968,10980) = 12
LCM(10968,10980) = ( 10968 × 10980) / 12
LCM(10968,10980) = 120428640 / 12
LCM(10968,10980) = 10035720

Least Common Multiple (LCM) of 10968 and 10980 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10968 and 10980. First we will calculate the prime factors of 10968 and 10980.

Prime Factorization of 10968

Prime factors of 10968 are 2, 3, 457. Prime factorization of 10968 in exponential form is:

10968 = 23 × 31 × 4571

Prime Factorization of 10980

Prime factors of 10980 are 2, 3, 5, 61. Prime factorization of 10980 in exponential form is:

10980 = 22 × 32 × 51 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 10968 and 10980.

LCM(10968,10980) = 23 × 32 × 4571 × 51 × 611
LCM(10968,10980) = 10035720