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What is the Least Common Multiple of 84068 and 84080?

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 84068 and 84080 is 1767109360.

LCM(84068,84080) = 1767109360

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Least Common Multiple of 84068 and 84080 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84068 and 84080, than apply into the LCM equation.

GCF(84068,84080) = 4
LCM(84068,84080) = ( 84068 × 84080) / 4
LCM(84068,84080) = 7068437440 / 4
LCM(84068,84080) = 1767109360

Least Common Multiple (LCM) of 84068 and 84080 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84068 and 84080. First we will calculate the prime factors of 84068 and 84080.

Prime Factorization of 84068

Prime factors of 84068 are 2, 21017. Prime factorization of 84068 in exponential form is:

84068 = 22 × 210171

Prime Factorization of 84080

Prime factors of 84080 are 2, 5, 1051. Prime factorization of 84080 in exponential form is:

84080 = 24 × 51 × 10511

Now multiplying the highest exponent prime factors to calculate the LCM of 84068 and 84080.

LCM(84068,84080) = 24 × 210171 × 51 × 10511
LCM(84068,84080) = 1767109360