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What is the Least Common Multiple of 845 and 852?

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 845 and 852 is 719940.

LCM(845,852) = 719940

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Least Common Multiple of 845 and 852 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 845 and 852, than apply into the LCM equation.

GCF(845,852) = 1
LCM(845,852) = ( 845 × 852) / 1
LCM(845,852) = 719940 / 1
LCM(845,852) = 719940

Least Common Multiple (LCM) of 845 and 852 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 845 and 852. First we will calculate the prime factors of 845 and 852.

Prime Factorization of 845

Prime factors of 845 are 5, 13. Prime factorization of 845 in exponential form is:

845 = 51 × 132

Prime Factorization of 852

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

852 = 22 × 31 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 845 and 852.

LCM(845,852) = 51 × 132 × 22 × 31 × 711
LCM(845,852) = 719940