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What is the Least Common Multiple of 66948 and 66955?

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 66948 and 66955 is 640357620.

LCM(66948,66955) = 640357620

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Least Common Multiple of 66948 and 66955 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66948 and 66955, than apply into the LCM equation.

GCF(66948,66955) = 7
LCM(66948,66955) = ( 66948 × 66955) / 7
LCM(66948,66955) = 4482503340 / 7
LCM(66948,66955) = 640357620

Least Common Multiple (LCM) of 66948 and 66955 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66948 and 66955. First we will calculate the prime factors of 66948 and 66955.

Prime Factorization of 66948

Prime factors of 66948 are 2, 3, 7, 797. Prime factorization of 66948 in exponential form is:

66948 = 22 × 31 × 71 × 7971

Prime Factorization of 66955

Prime factors of 66955 are 5, 7, 1913. Prime factorization of 66955 in exponential form is:

66955 = 51 × 71 × 19131

Now multiplying the highest exponent prime factors to calculate the LCM of 66948 and 66955.

LCM(66948,66955) = 22 × 31 × 71 × 7971 × 51 × 19131
LCM(66948,66955) = 640357620