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What is the Least Common Multiple of 87769 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 87769 and 87785 is 7704801665.

LCM(87769,87785) = 7704801665

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Least Common Multiple of 87769 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 87769 and 87785, than apply into the LCM equation.

GCF(87769,87785) = 1
LCM(87769,87785) = ( 87769 × 87785) / 1
LCM(87769,87785) = 7704801665 / 1
LCM(87769,87785) = 7704801665

Least Common Multiple (LCM) of 87769 and 87785 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87769 and 87785. First we will calculate the prime factors of 87769 and 87785.

Prime Factorization of 87769

Prime factors of 87769 are 11, 79, 101. Prime factorization of 87769 in exponential form is:

87769 = 111 × 791 × 1011

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 87769 and 87785.

LCM(87769,87785) = 111 × 791 × 1011 × 51 × 971 × 1811
LCM(87769,87785) = 7704801665