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What is the Least Common Multiple of 79874 and 79880?

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 79874 and 79880 is 3190167560.

LCM(79874,79880) = 3190167560

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Least Common Multiple of 79874 and 79880 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79874 and 79880, than apply into the LCM equation.

GCF(79874,79880) = 2
LCM(79874,79880) = ( 79874 × 79880) / 2
LCM(79874,79880) = 6380335120 / 2
LCM(79874,79880) = 3190167560

Least Common Multiple (LCM) of 79874 and 79880 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79874 and 79880. First we will calculate the prime factors of 79874 and 79880.

Prime Factorization of 79874

Prime factors of 79874 are 2, 39937. Prime factorization of 79874 in exponential form is:

79874 = 21 × 399371

Prime Factorization of 79880

Prime factors of 79880 are 2, 5, 1997. Prime factorization of 79880 in exponential form is:

79880 = 23 × 51 × 19971

Now multiplying the highest exponent prime factors to calculate the LCM of 79874 and 79880.

LCM(79874,79880) = 23 × 399371 × 51 × 19971
LCM(79874,79880) = 3190167560