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What is the Least Common Multiple of 77921 and 77939?

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 77921 and 77939 is 6073084819.

LCM(77921,77939) = 6073084819

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Least Common Multiple of 77921 and 77939 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77921 and 77939, than apply into the LCM equation.

GCF(77921,77939) = 1
LCM(77921,77939) = ( 77921 × 77939) / 1
LCM(77921,77939) = 6073084819 / 1
LCM(77921,77939) = 6073084819

Least Common Multiple (LCM) of 77921 and 77939 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77921 and 77939. First we will calculate the prime factors of 77921 and 77939.

Prime Factorization of 77921

Prime factors of 77921 are 67, 1163. Prime factorization of 77921 in exponential form is:

77921 = 671 × 11631

Prime Factorization of 77939

Prime factors of 77939 are 59, 1321. Prime factorization of 77939 in exponential form is:

77939 = 591 × 13211

Now multiplying the highest exponent prime factors to calculate the LCM of 77921 and 77939.

LCM(77921,77939) = 671 × 11631 × 591 × 13211
LCM(77921,77939) = 6073084819