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What is the Least Common Multiple of 68938 and 68955?

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 68938 and 68955 is 4753619790.

LCM(68938,68955) = 4753619790

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Least Common Multiple of 68938 and 68955 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68938 and 68955, than apply into the LCM equation.

GCF(68938,68955) = 1
LCM(68938,68955) = ( 68938 × 68955) / 1
LCM(68938,68955) = 4753619790 / 1
LCM(68938,68955) = 4753619790

Least Common Multiple (LCM) of 68938 and 68955 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68938 and 68955. First we will calculate the prime factors of 68938 and 68955.

Prime Factorization of 68938

Prime factors of 68938 are 2, 34469. Prime factorization of 68938 in exponential form is:

68938 = 21 × 344691

Prime Factorization of 68955

Prime factors of 68955 are 3, 5, 4597. Prime factorization of 68955 in exponential form is:

68955 = 31 × 51 × 45971

Now multiplying the highest exponent prime factors to calculate the LCM of 68938 and 68955.

LCM(68938,68955) = 21 × 344691 × 31 × 51 × 45971
LCM(68938,68955) = 4753619790