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What is the Least Common Multiple of 852 and 860?

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 852 and 860 is 183180.

LCM(852,860) = 183180

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Least Common Multiple of 852 and 860 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 852 and 860, than apply into the LCM equation.

GCF(852,860) = 4
LCM(852,860) = ( 852 × 860) / 4
LCM(852,860) = 732720 / 4
LCM(852,860) = 183180

Least Common Multiple (LCM) of 852 and 860 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 852 and 860. First we will calculate the prime factors of 852 and 860.

Prime Factorization of 852

Prime factors of 852 are 2, 3, 71. Prime factorization of 852 in exponential form is:

852 = 22 × 31 × 711

Prime Factorization of 860

Prime factors of 860 are 2, 5, 43. Prime factorization of 860 in exponential form is:

860 = 22 × 51 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 852 and 860.

LCM(852,860) = 22 × 31 × 711 × 51 × 431
LCM(852,860) = 183180