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What is the Least Common Multiple of 55 and 67?

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 55 and 67 is 3685.

LCM(55,67) = 3685

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Least Common Multiple of 55 and 67 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55 and 67, than apply into the LCM equation.

GCF(55,67) = 1
LCM(55,67) = ( 55 × 67) / 1
LCM(55,67) = 3685 / 1
LCM(55,67) = 3685

Least Common Multiple (LCM) of 55 and 67 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55 and 67. First we will calculate the prime factors of 55 and 67.

Prime Factorization of 55

Prime factors of 55 are 5, 11. Prime factorization of 55 in exponential form is:

55 = 51 × 111

Prime Factorization of 67

Prime factors of 67 are 67. Prime factorization of 67 in exponential form is:

67 = 671

Now multiplying the highest exponent prime factors to calculate the LCM of 55 and 67.

LCM(55,67) = 51 × 111 × 671
LCM(55,67) = 3685

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