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What is the Least Common Multiple of 85380 and 85387?

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 85380 and 85387 is 7290342060.

LCM(85380,85387) = 7290342060

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Least Common Multiple of 85380 and 85387 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85380 and 85387, than apply into the LCM equation.

GCF(85380,85387) = 1
LCM(85380,85387) = ( 85380 × 85387) / 1
LCM(85380,85387) = 7290342060 / 1
LCM(85380,85387) = 7290342060

Least Common Multiple (LCM) of 85380 and 85387 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85380 and 85387. First we will calculate the prime factors of 85380 and 85387.

Prime Factorization of 85380

Prime factors of 85380 are 2, 3, 5, 1423. Prime factorization of 85380 in exponential form is:

85380 = 22 × 31 × 51 × 14231

Prime Factorization of 85387

Prime factors of 85387 are 103, 829. Prime factorization of 85387 in exponential form is:

85387 = 1031 × 8291

Now multiplying the highest exponent prime factors to calculate the LCM of 85380 and 85387.

LCM(85380,85387) = 22 × 31 × 51 × 14231 × 1031 × 8291
LCM(85380,85387) = 7290342060