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What is the Least Common Multiple of 77451 and 77458?

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 77451 and 77458 is 5999199558.

LCM(77451,77458) = 5999199558

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Least Common Multiple of 77451 and 77458 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77451 and 77458, than apply into the LCM equation.

GCF(77451,77458) = 1
LCM(77451,77458) = ( 77451 × 77458) / 1
LCM(77451,77458) = 5999199558 / 1
LCM(77451,77458) = 5999199558

Least Common Multiple (LCM) of 77451 and 77458 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77451 and 77458. First we will calculate the prime factors of 77451 and 77458.

Prime Factorization of 77451

Prime factors of 77451 are 3, 11, 2347. Prime factorization of 77451 in exponential form is:

77451 = 31 × 111 × 23471

Prime Factorization of 77458

Prime factors of 77458 are 2, 38729. Prime factorization of 77458 in exponential form is:

77458 = 21 × 387291

Now multiplying the highest exponent prime factors to calculate the LCM of 77451 and 77458.

LCM(77451,77458) = 31 × 111 × 23471 × 21 × 387291
LCM(77451,77458) = 5999199558