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What is the Least Common Multiple of 87761 and 87766?

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 87761 and 87766 is 7702431926.

LCM(87761,87766) = 7702431926

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Least Common Multiple of 87761 and 87766 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87761 and 87766, than apply into the LCM equation.

GCF(87761,87766) = 1
LCM(87761,87766) = ( 87761 × 87766) / 1
LCM(87761,87766) = 7702431926 / 1
LCM(87761,87766) = 7702431926

Least Common Multiple (LCM) of 87761 and 87766 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87761 and 87766. First we will calculate the prime factors of 87761 and 87766.

Prime Factorization of 87761

Prime factors of 87761 are 19, 31, 149. Prime factorization of 87761 in exponential form is:

87761 = 191 × 311 × 1491

Prime Factorization of 87766

Prime factors of 87766 are 2, 7, 6269. Prime factorization of 87766 in exponential form is:

87766 = 21 × 71 × 62691

Now multiplying the highest exponent prime factors to calculate the LCM of 87761 and 87766.

LCM(87761,87766) = 191 × 311 × 1491 × 21 × 71 × 62691
LCM(87761,87766) = 7702431926