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What is the Least Common Multiple of 53642 and 53646?

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 53642 and 53646 is 1438839366.

LCM(53642,53646) = 1438839366

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Least Common Multiple of 53642 and 53646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53642 and 53646, than apply into the LCM equation.

GCF(53642,53646) = 2
LCM(53642,53646) = ( 53642 × 53646) / 2
LCM(53642,53646) = 2877678732 / 2
LCM(53642,53646) = 1438839366

Least Common Multiple (LCM) of 53642 and 53646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53642 and 53646. First we will calculate the prime factors of 53642 and 53646.

Prime Factorization of 53642

Prime factors of 53642 are 2, 26821. Prime factorization of 53642 in exponential form is:

53642 = 21 × 268211

Prime Factorization of 53646

Prime factors of 53646 are 2, 3, 8941. Prime factorization of 53646 in exponential form is:

53646 = 21 × 31 × 89411

Now multiplying the highest exponent prime factors to calculate the LCM of 53642 and 53646.

LCM(53642,53646) = 21 × 268211 × 31 × 89411
LCM(53642,53646) = 1438839366