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What is the Least Common Multiple of 65638 and 65653?

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 65638 and 65653 is 4309331614.

LCM(65638,65653) = 4309331614

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Least Common Multiple of 65638 and 65653 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65638 and 65653, than apply into the LCM equation.

GCF(65638,65653) = 1
LCM(65638,65653) = ( 65638 × 65653) / 1
LCM(65638,65653) = 4309331614 / 1
LCM(65638,65653) = 4309331614

Least Common Multiple (LCM) of 65638 and 65653 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65638 and 65653. First we will calculate the prime factors of 65638 and 65653.

Prime Factorization of 65638

Prime factors of 65638 are 2, 37, 887. Prime factorization of 65638 in exponential form is:

65638 = 21 × 371 × 8871

Prime Factorization of 65653

Prime factors of 65653 are 7, 83, 113. Prime factorization of 65653 in exponential form is:

65653 = 71 × 831 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 65638 and 65653.

LCM(65638,65653) = 21 × 371 × 8871 × 71 × 831 × 1131
LCM(65638,65653) = 4309331614