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What is the Least Common Multiple of 87768 and 87788?

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 87768 and 87788 is 1926244296.

LCM(87768,87788) = 1926244296

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Least Common Multiple of 87768 and 87788 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87768 and 87788, than apply into the LCM equation.

GCF(87768,87788) = 4
LCM(87768,87788) = ( 87768 × 87788) / 4
LCM(87768,87788) = 7704977184 / 4
LCM(87768,87788) = 1926244296

Least Common Multiple (LCM) of 87768 and 87788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87768 and 87788. First we will calculate the prime factors of 87768 and 87788.

Prime Factorization of 87768

Prime factors of 87768 are 2, 3, 23, 53. Prime factorization of 87768 in exponential form is:

87768 = 23 × 32 × 231 × 531

Prime Factorization of 87788

Prime factors of 87788 are 2, 17, 1291. Prime factorization of 87788 in exponential form is:

87788 = 22 × 171 × 12911

Now multiplying the highest exponent prime factors to calculate the LCM of 87768 and 87788.

LCM(87768,87788) = 23 × 32 × 231 × 531 × 171 × 12911
LCM(87768,87788) = 1926244296