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What is the Least Common Multiple of 83643 and 83660?

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 83643 and 83660 is 6997573380.

LCM(83643,83660) = 6997573380

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Least Common Multiple of 83643 and 83660 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83643 and 83660, than apply into the LCM equation.

GCF(83643,83660) = 1
LCM(83643,83660) = ( 83643 × 83660) / 1
LCM(83643,83660) = 6997573380 / 1
LCM(83643,83660) = 6997573380

Least Common Multiple (LCM) of 83643 and 83660 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83643 and 83660. First we will calculate the prime factors of 83643 and 83660.

Prime Factorization of 83643

Prime factors of 83643 are 3, 7, 569. Prime factorization of 83643 in exponential form is:

83643 = 31 × 72 × 5691

Prime Factorization of 83660

Prime factors of 83660 are 2, 5, 47, 89. Prime factorization of 83660 in exponential form is:

83660 = 22 × 51 × 471 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 83643 and 83660.

LCM(83643,83660) = 31 × 72 × 5691 × 22 × 51 × 471 × 891
LCM(83643,83660) = 6997573380