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What is the Least Common Multiple of 55684 and 55688?

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 55684 and 55688 is 775232648.

LCM(55684,55688) = 775232648

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Least Common Multiple of 55684 and 55688 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55684 and 55688, than apply into the LCM equation.

GCF(55684,55688) = 4
LCM(55684,55688) = ( 55684 × 55688) / 4
LCM(55684,55688) = 3100930592 / 4
LCM(55684,55688) = 775232648

Least Common Multiple (LCM) of 55684 and 55688 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55684 and 55688. First we will calculate the prime factors of 55684 and 55688.

Prime Factorization of 55684

Prime factors of 55684 are 2, 13921. Prime factorization of 55684 in exponential form is:

55684 = 22 × 139211

Prime Factorization of 55688

Prime factors of 55688 are 2, 6961. Prime factorization of 55688 in exponential form is:

55688 = 23 × 69611

Now multiplying the highest exponent prime factors to calculate the LCM of 55684 and 55688.

LCM(55684,55688) = 23 × 139211 × 69611
LCM(55684,55688) = 775232648