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What is the Least Common Multiple of 79942 and 79948?

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 79942 and 79948 is 3195601508.

LCM(79942,79948) = 3195601508

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Least Common Multiple of 79942 and 79948 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79942 and 79948, than apply into the LCM equation.

GCF(79942,79948) = 2
LCM(79942,79948) = ( 79942 × 79948) / 2
LCM(79942,79948) = 6391203016 / 2
LCM(79942,79948) = 3195601508

Least Common Multiple (LCM) of 79942 and 79948 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79942 and 79948. First we will calculate the prime factors of 79942 and 79948.

Prime Factorization of 79942

Prime factors of 79942 are 2, 39971. Prime factorization of 79942 in exponential form is:

79942 = 21 × 399711

Prime Factorization of 79948

Prime factors of 79948 are 2, 11, 23, 79. Prime factorization of 79948 in exponential form is:

79948 = 22 × 111 × 231 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 79942 and 79948.

LCM(79942,79948) = 22 × 399711 × 111 × 231 × 791
LCM(79942,79948) = 3195601508