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What is the Least Common Multiple of 87728 and 87745?

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 87728 and 87745 is 7697693360.

LCM(87728,87745) = 7697693360

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Least Common Multiple of 87728 and 87745 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87728 and 87745, than apply into the LCM equation.

GCF(87728,87745) = 1
LCM(87728,87745) = ( 87728 × 87745) / 1
LCM(87728,87745) = 7697693360 / 1
LCM(87728,87745) = 7697693360

Least Common Multiple (LCM) of 87728 and 87745 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87728 and 87745. First we will calculate the prime factors of 87728 and 87745.

Prime Factorization of 87728

Prime factors of 87728 are 2, 5483. Prime factorization of 87728 in exponential form is:

87728 = 24 × 54831

Prime Factorization of 87745

Prime factors of 87745 are 5, 7, 23, 109. Prime factorization of 87745 in exponential form is:

87745 = 51 × 71 × 231 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 87728 and 87745.

LCM(87728,87745) = 24 × 54831 × 51 × 71 × 231 × 1091
LCM(87728,87745) = 7697693360