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What is the Least Common Multiple of 87754 and 87771?

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 87754 and 87771 is 453073902.

LCM(87754,87771) = 453073902

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Least Common Multiple of 87754 and 87771 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87754 and 87771, than apply into the LCM equation.

GCF(87754,87771) = 17
LCM(87754,87771) = ( 87754 × 87771) / 17
LCM(87754,87771) = 7702256334 / 17
LCM(87754,87771) = 453073902

Least Common Multiple (LCM) of 87754 and 87771 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87754 and 87771. First we will calculate the prime factors of 87754 and 87771.

Prime Factorization of 87754

Prime factors of 87754 are 2, 17, 29, 89. Prime factorization of 87754 in exponential form is:

87754 = 21 × 171 × 291 × 891

Prime Factorization of 87771

Prime factors of 87771 are 3, 17, 1721. Prime factorization of 87771 in exponential form is:

87771 = 31 × 171 × 17211

Now multiplying the highest exponent prime factors to calculate the LCM of 87754 and 87771.

LCM(87754,87771) = 21 × 171 × 291 × 891 × 31 × 17211
LCM(87754,87771) = 453073902