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What is the Least Common Multiple of 72406 and 72419?

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 72406 and 72419 is 5243570114.

LCM(72406,72419) = 5243570114

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Least Common Multiple of 72406 and 72419 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72406 and 72419, than apply into the LCM equation.

GCF(72406,72419) = 1
LCM(72406,72419) = ( 72406 × 72419) / 1
LCM(72406,72419) = 5243570114 / 1
LCM(72406,72419) = 5243570114

Least Common Multiple (LCM) of 72406 and 72419 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72406 and 72419. First we will calculate the prime factors of 72406 and 72419.

Prime Factorization of 72406

Prime factors of 72406 are 2, 41, 883. Prime factorization of 72406 in exponential form is:

72406 = 21 × 411 × 8831

Prime Factorization of 72419

Prime factors of 72419 are 139, 521. Prime factorization of 72419 in exponential form is:

72419 = 1391 × 5211

Now multiplying the highest exponent prime factors to calculate the LCM of 72406 and 72419.

LCM(72406,72419) = 21 × 411 × 8831 × 1391 × 5211
LCM(72406,72419) = 5243570114