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What is the Least Common Multiple of 71545 and 71556?

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 71545 and 71556 is 5119474020.

LCM(71545,71556) = 5119474020

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Least Common Multiple of 71545 and 71556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71545 and 71556, than apply into the LCM equation.

GCF(71545,71556) = 1
LCM(71545,71556) = ( 71545 × 71556) / 1
LCM(71545,71556) = 5119474020 / 1
LCM(71545,71556) = 5119474020

Least Common Multiple (LCM) of 71545 and 71556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71545 and 71556. First we will calculate the prime factors of 71545 and 71556.

Prime Factorization of 71545

Prime factors of 71545 are 5, 41, 349. Prime factorization of 71545 in exponential form is:

71545 = 51 × 411 × 3491

Prime Factorization of 71556

Prime factors of 71556 are 2, 3, 67, 89. Prime factorization of 71556 in exponential form is:

71556 = 22 × 31 × 671 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 71545 and 71556.

LCM(71545,71556) = 51 × 411 × 3491 × 22 × 31 × 671 × 891
LCM(71545,71556) = 5119474020