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What is the Least Common Multiple of 87778 and 87785?

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 87778 and 87785 is 7705591730.

LCM(87778,87785) = 7705591730

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Least Common Multiple of 87778 and 87785 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87778 and 87785, than apply into the LCM equation.

GCF(87778,87785) = 1
LCM(87778,87785) = ( 87778 × 87785) / 1
LCM(87778,87785) = 7705591730 / 1
LCM(87778,87785) = 7705591730

Least Common Multiple (LCM) of 87778 and 87785 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87778 and 87785. First we will calculate the prime factors of 87778 and 87785.

Prime Factorization of 87778

Prime factors of 87778 are 2, 43889. Prime factorization of 87778 in exponential form is:

87778 = 21 × 438891

Prime Factorization of 87785

Prime factors of 87785 are 5, 97, 181. Prime factorization of 87785 in exponential form is:

87785 = 51 × 971 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 87778 and 87785.

LCM(87778,87785) = 21 × 438891 × 51 × 971 × 1811
LCM(87778,87785) = 7705591730