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What is the Least Common Multiple of 71724 and 71735?

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 71724 and 71735 is 5145121140.

LCM(71724,71735) = 5145121140

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Least Common Multiple of 71724 and 71735 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71724 and 71735, than apply into the LCM equation.

GCF(71724,71735) = 1
LCM(71724,71735) = ( 71724 × 71735) / 1
LCM(71724,71735) = 5145121140 / 1
LCM(71724,71735) = 5145121140

Least Common Multiple (LCM) of 71724 and 71735 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71724 and 71735. First we will calculate the prime factors of 71724 and 71735.

Prime Factorization of 71724

Prime factors of 71724 are 2, 3, 43, 139. Prime factorization of 71724 in exponential form is:

71724 = 22 × 31 × 431 × 1391

Prime Factorization of 71735

Prime factors of 71735 are 5, 14347. Prime factorization of 71735 in exponential form is:

71735 = 51 × 143471

Now multiplying the highest exponent prime factors to calculate the LCM of 71724 and 71735.

LCM(71724,71735) = 22 × 31 × 431 × 1391 × 51 × 143471
LCM(71724,71735) = 5145121140