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What is the Least Common Multiple of 51645 and 51656?

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 51645 and 51656 is 242524920.

LCM(51645,51656) = 242524920

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Least Common Multiple of 51645 and 51656 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51645 and 51656, than apply into the LCM equation.

GCF(51645,51656) = 11
LCM(51645,51656) = ( 51645 × 51656) / 11
LCM(51645,51656) = 2667774120 / 11
LCM(51645,51656) = 242524920

Least Common Multiple (LCM) of 51645 and 51656 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51645 and 51656. First we will calculate the prime factors of 51645 and 51656.

Prime Factorization of 51645

Prime factors of 51645 are 3, 5, 11, 313. Prime factorization of 51645 in exponential form is:

51645 = 31 × 51 × 111 × 3131

Prime Factorization of 51656

Prime factors of 51656 are 2, 11, 587. Prime factorization of 51656 in exponential form is:

51656 = 23 × 111 × 5871

Now multiplying the highest exponent prime factors to calculate the LCM of 51645 and 51656.

LCM(51645,51656) = 31 × 51 × 111 × 3131 × 23 × 5871
LCM(51645,51656) = 242524920