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What is the Least Common Multiple of 77458 and 77462?

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 77458 and 77462 is 3000025798.

LCM(77458,77462) = 3000025798

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Least Common Multiple of 77458 and 77462 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77458 and 77462, than apply into the LCM equation.

GCF(77458,77462) = 2
LCM(77458,77462) = ( 77458 × 77462) / 2
LCM(77458,77462) = 6000051596 / 2
LCM(77458,77462) = 3000025798

Least Common Multiple (LCM) of 77458 and 77462 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77458 and 77462. First we will calculate the prime factors of 77458 and 77462.

Prime Factorization of 77458

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

77458 = 21 × 387291

Prime Factorization of 77462

Prime factors of 77462 are 2, 7, 11, 503. Prime factorization of 77462 in exponential form is:

77462 = 21 × 71 × 111 × 5031

Now multiplying the highest exponent prime factors to calculate the LCM of 77458 and 77462.

LCM(77458,77462) = 21 × 387291 × 71 × 111 × 5031
LCM(77458,77462) = 3000025798