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What is the Least Common Multiple of 72426 and 72436?

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 72426 and 72436 is 2623124868.

LCM(72426,72436) = 2623124868

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Least Common Multiple of 72426 and 72436 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72426 and 72436, than apply into the LCM equation.

GCF(72426,72436) = 2
LCM(72426,72436) = ( 72426 × 72436) / 2
LCM(72426,72436) = 5246249736 / 2
LCM(72426,72436) = 2623124868

Least Common Multiple (LCM) of 72426 and 72436 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72426 and 72436. First we will calculate the prime factors of 72426 and 72436.

Prime Factorization of 72426

Prime factors of 72426 are 2, 3, 12071. Prime factorization of 72426 in exponential form is:

72426 = 21 × 31 × 120711

Prime Factorization of 72436

Prime factors of 72436 are 2, 7, 13, 199. Prime factorization of 72436 in exponential form is:

72436 = 22 × 71 × 131 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 72426 and 72436.

LCM(72426,72436) = 22 × 31 × 120711 × 71 × 131 × 1991
LCM(72426,72436) = 2623124868