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What is the Least Common Multiple of 4260 and 4272?

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 4260 and 4272 is 1516560.

LCM(4260,4272) = 1516560

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Least Common Multiple of 4260 and 4272 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4260 and 4272, than apply into the LCM equation.

GCF(4260,4272) = 12
LCM(4260,4272) = ( 4260 × 4272) / 12
LCM(4260,4272) = 18198720 / 12
LCM(4260,4272) = 1516560

Least Common Multiple (LCM) of 4260 and 4272 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4260 and 4272. First we will calculate the prime factors of 4260 and 4272.

Prime Factorization of 4260

Prime factors of 4260 are 2, 3, 5, 71. Prime factorization of 4260 in exponential form is:

4260 = 22 × 31 × 51 × 711

Prime Factorization of 4272

Prime factors of 4272 are 2, 3, 89. Prime factorization of 4272 in exponential form is:

4272 = 24 × 31 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 4260 and 4272.

LCM(4260,4272) = 24 × 31 × 51 × 711 × 891
LCM(4260,4272) = 1516560