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What is the Least Common Multiple of 7649 and 7664?

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 7649 and 7664 is 58621936.

LCM(7649,7664) = 58621936

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Least Common Multiple of 7649 and 7664 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7649 and 7664, than apply into the LCM equation.

GCF(7649,7664) = 1
LCM(7649,7664) = ( 7649 × 7664) / 1
LCM(7649,7664) = 58621936 / 1
LCM(7649,7664) = 58621936

Least Common Multiple (LCM) of 7649 and 7664 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7649 and 7664. First we will calculate the prime factors of 7649 and 7664.

Prime Factorization of 7649

Prime factors of 7649 are 7649. Prime factorization of 7649 in exponential form is:

7649 = 76491

Prime Factorization of 7664

Prime factors of 7664 are 2, 479. Prime factorization of 7664 in exponential form is:

7664 = 24 × 4791

Now multiplying the highest exponent prime factors to calculate the LCM of 7649 and 7664.

LCM(7649,7664) = 76491 × 24 × 4791
LCM(7649,7664) = 58621936