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What is the Least Common Multiple of 77942 and 77947?

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 77942 and 77947 is 6075345074.

LCM(77942,77947) = 6075345074

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Least Common Multiple of 77942 and 77947 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77942 and 77947, than apply into the LCM equation.

GCF(77942,77947) = 1
LCM(77942,77947) = ( 77942 × 77947) / 1
LCM(77942,77947) = 6075345074 / 1
LCM(77942,77947) = 6075345074

Least Common Multiple (LCM) of 77942 and 77947 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77942 and 77947. First we will calculate the prime factors of 77942 and 77947.

Prime Factorization of 77942

Prime factors of 77942 are 2, 38971. Prime factorization of 77942 in exponential form is:

77942 = 21 × 389711

Prime Factorization of 77947

Prime factors of 77947 are 23, 3389. Prime factorization of 77947 in exponential form is:

77947 = 231 × 33891

Now multiplying the highest exponent prime factors to calculate the LCM of 77942 and 77947.

LCM(77942,77947) = 21 × 389711 × 231 × 33891
LCM(77942,77947) = 6075345074