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What is the Least Common Multiple of 87969 and 87982?

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 87969 and 87982 is 7739688558.

LCM(87969,87982) = 7739688558

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Least Common Multiple of 87969 and 87982 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87969 and 87982, than apply into the LCM equation.

GCF(87969,87982) = 1
LCM(87969,87982) = ( 87969 × 87982) / 1
LCM(87969,87982) = 7739688558 / 1
LCM(87969,87982) = 7739688558

Least Common Multiple (LCM) of 87969 and 87982 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87969 and 87982. First we will calculate the prime factors of 87969 and 87982.

Prime Factorization of 87969

Prime factors of 87969 are 3, 7, 59, 71. Prime factorization of 87969 in exponential form is:

87969 = 31 × 71 × 591 × 711

Prime Factorization of 87982

Prime factors of 87982 are 2, 43991. Prime factorization of 87982 in exponential form is:

87982 = 21 × 439911

Now multiplying the highest exponent prime factors to calculate the LCM of 87969 and 87982.

LCM(87969,87982) = 31 × 71 × 591 × 711 × 21 × 439911
LCM(87969,87982) = 7739688558