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What is the Least Common Multiple of 79938 and 79945?

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 79938 and 79945 is 6390643410.

LCM(79938,79945) = 6390643410

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Least Common Multiple of 79938 and 79945 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79938 and 79945, than apply into the LCM equation.

GCF(79938,79945) = 1
LCM(79938,79945) = ( 79938 × 79945) / 1
LCM(79938,79945) = 6390643410 / 1
LCM(79938,79945) = 6390643410

Least Common Multiple (LCM) of 79938 and 79945 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79938 and 79945. First we will calculate the prime factors of 79938 and 79945.

Prime Factorization of 79938

Prime factors of 79938 are 2, 3, 4441. Prime factorization of 79938 in exponential form is:

79938 = 21 × 32 × 44411

Prime Factorization of 79945

Prime factors of 79945 are 5, 59, 271. Prime factorization of 79945 in exponential form is:

79945 = 51 × 591 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 79938 and 79945.

LCM(79938,79945) = 21 × 32 × 44411 × 51 × 591 × 2711
LCM(79938,79945) = 6390643410