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What is the Least Common Multiple of 87781 and 87787?

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 87781 and 87787 is 7706030647.

LCM(87781,87787) = 7706030647

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Least Common Multiple of 87781 and 87787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87781 and 87787, than apply into the LCM equation.

GCF(87781,87787) = 1
LCM(87781,87787) = ( 87781 × 87787) / 1
LCM(87781,87787) = 7706030647 / 1
LCM(87781,87787) = 7706030647

Least Common Multiple (LCM) of 87781 and 87787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87781 and 87787. First we will calculate the prime factors of 87781 and 87787.

Prime Factorization of 87781

Prime factors of 87781 are 41, 2141. Prime factorization of 87781 in exponential form is:

87781 = 411 × 21411

Prime Factorization of 87787

Prime factors of 87787 are 7, 12541. Prime factorization of 87787 in exponential form is:

87787 = 71 × 125411

Now multiplying the highest exponent prime factors to calculate the LCM of 87781 and 87787.

LCM(87781,87787) = 411 × 21411 × 71 × 125411
LCM(87781,87787) = 7706030647