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What is the Least Common Multiple of 75621 and 75634?

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 75621 and 75634 is 439962978.

LCM(75621,75634) = 439962978

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Least Common Multiple of 75621 and 75634 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75621 and 75634, than apply into the LCM equation.

GCF(75621,75634) = 13
LCM(75621,75634) = ( 75621 × 75634) / 13
LCM(75621,75634) = 5719518714 / 13
LCM(75621,75634) = 439962978

Least Common Multiple (LCM) of 75621 and 75634 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75621 and 75634. First we will calculate the prime factors of 75621 and 75634.

Prime Factorization of 75621

Prime factors of 75621 are 3, 7, 13, 277. Prime factorization of 75621 in exponential form is:

75621 = 31 × 71 × 131 × 2771

Prime Factorization of 75634

Prime factors of 75634 are 2, 13, 2909. Prime factorization of 75634 in exponential form is:

75634 = 21 × 131 × 29091

Now multiplying the highest exponent prime factors to calculate the LCM of 75621 and 75634.

LCM(75621,75634) = 31 × 71 × 131 × 2771 × 21 × 29091
LCM(75621,75634) = 439962978