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What is the Least Common Multiple of 67552 and 67556?

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 67552 and 67556 is 1140885728.

LCM(67552,67556) = 1140885728

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Least Common Multiple of 67552 and 67556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67552 and 67556, than apply into the LCM equation.

GCF(67552,67556) = 4
LCM(67552,67556) = ( 67552 × 67556) / 4
LCM(67552,67556) = 4563542912 / 4
LCM(67552,67556) = 1140885728

Least Common Multiple (LCM) of 67552 and 67556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67552 and 67556. First we will calculate the prime factors of 67552 and 67556.

Prime Factorization of 67552

Prime factors of 67552 are 2, 2111. Prime factorization of 67552 in exponential form is:

67552 = 25 × 21111

Prime Factorization of 67556

Prime factors of 67556 are 2, 16889. Prime factorization of 67556 in exponential form is:

67556 = 22 × 168891

Now multiplying the highest exponent prime factors to calculate the LCM of 67552 and 67556.

LCM(67552,67556) = 25 × 21111 × 168891
LCM(67552,67556) = 1140885728