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What is the Least Common Multiple of 10620 and 10636?

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 10620 and 10636 is 28238580.

LCM(10620,10636) = 28238580

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Least Common Multiple of 10620 and 10636 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10620 and 10636, than apply into the LCM equation.

GCF(10620,10636) = 4
LCM(10620,10636) = ( 10620 × 10636) / 4
LCM(10620,10636) = 112954320 / 4
LCM(10620,10636) = 28238580

Least Common Multiple (LCM) of 10620 and 10636 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10620 and 10636. First we will calculate the prime factors of 10620 and 10636.

Prime Factorization of 10620

Prime factors of 10620 are 2, 3, 5, 59. Prime factorization of 10620 in exponential form is:

10620 = 22 × 32 × 51 × 591

Prime Factorization of 10636

Prime factors of 10636 are 2, 2659. Prime factorization of 10636 in exponential form is:

10636 = 22 × 26591

Now multiplying the highest exponent prime factors to calculate the LCM of 10620 and 10636.

LCM(10620,10636) = 22 × 32 × 51 × 591 × 26591
LCM(10620,10636) = 28238580