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What is the Least Common Multiple of 80620 and 80634?

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 80620 and 80634 is 3250356540.

LCM(80620,80634) = 3250356540

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Least Common Multiple of 80620 and 80634 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80620 and 80634, than apply into the LCM equation.

GCF(80620,80634) = 2
LCM(80620,80634) = ( 80620 × 80634) / 2
LCM(80620,80634) = 6500713080 / 2
LCM(80620,80634) = 3250356540

Least Common Multiple (LCM) of 80620 and 80634 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80620 and 80634. First we will calculate the prime factors of 80620 and 80634.

Prime Factorization of 80620

Prime factors of 80620 are 2, 5, 29, 139. Prime factorization of 80620 in exponential form is:

80620 = 22 × 51 × 291 × 1391

Prime Factorization of 80634

Prime factors of 80634 are 2, 3, 89, 151. Prime factorization of 80634 in exponential form is:

80634 = 21 × 31 × 891 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 80620 and 80634.

LCM(80620,80634) = 22 × 51 × 291 × 1391 × 31 × 891 × 1511
LCM(80620,80634) = 3250356540