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What is the Least Common Multiple of 55780 and 55787?

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 55780 and 55787 is 3111798860.

LCM(55780,55787) = 3111798860

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Least Common Multiple of 55780 and 55787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55780 and 55787, than apply into the LCM equation.

GCF(55780,55787) = 1
LCM(55780,55787) = ( 55780 × 55787) / 1
LCM(55780,55787) = 3111798860 / 1
LCM(55780,55787) = 3111798860

Least Common Multiple (LCM) of 55780 and 55787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55780 and 55787. First we will calculate the prime factors of 55780 and 55787.

Prime Factorization of 55780

Prime factors of 55780 are 2, 5, 2789. Prime factorization of 55780 in exponential form is:

55780 = 22 × 51 × 27891

Prime Factorization of 55787

Prime factors of 55787 are 55787. Prime factorization of 55787 in exponential form is:

55787 = 557871

Now multiplying the highest exponent prime factors to calculate the LCM of 55780 and 55787.

LCM(55780,55787) = 22 × 51 × 27891 × 557871
LCM(55780,55787) = 3111798860