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What is the Least Common Multiple of 83646 and 83657?

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 83646 and 83657 is 6997573422.

LCM(83646,83657) = 6997573422

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Least Common Multiple of 83646 and 83657 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83646 and 83657, than apply into the LCM equation.

GCF(83646,83657) = 1
LCM(83646,83657) = ( 83646 × 83657) / 1
LCM(83646,83657) = 6997573422 / 1
LCM(83646,83657) = 6997573422

Least Common Multiple (LCM) of 83646 and 83657 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83646 and 83657. First we will calculate the prime factors of 83646 and 83657.

Prime Factorization of 83646

Prime factors of 83646 are 2, 3, 1549. Prime factorization of 83646 in exponential form is:

83646 = 21 × 33 × 15491

Prime Factorization of 83657

Prime factors of 83657 are 7, 17, 19, 37. Prime factorization of 83657 in exponential form is:

83657 = 71 × 171 × 191 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 83646 and 83657.

LCM(83646,83657) = 21 × 33 × 15491 × 71 × 171 × 191 × 371
LCM(83646,83657) = 6997573422