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What is the Least Common Multiple of 87684 and 87688?

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 87684 and 87688 is 1922208648.

LCM(87684,87688) = 1922208648

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Least Common Multiple of 87684 and 87688 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87684 and 87688, than apply into the LCM equation.

GCF(87684,87688) = 4
LCM(87684,87688) = ( 87684 × 87688) / 4
LCM(87684,87688) = 7688834592 / 4
LCM(87684,87688) = 1922208648

Least Common Multiple (LCM) of 87684 and 87688 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87684 and 87688. First we will calculate the prime factors of 87684 and 87688.

Prime Factorization of 87684

Prime factors of 87684 are 2, 3, 7307. Prime factorization of 87684 in exponential form is:

87684 = 22 × 31 × 73071

Prime Factorization of 87688

Prime factors of 87688 are 2, 97, 113. Prime factorization of 87688 in exponential form is:

87688 = 23 × 971 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 87684 and 87688.

LCM(87684,87688) = 23 × 31 × 73071 × 971 × 1131
LCM(87684,87688) = 1922208648