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What is the Least Common Multiple of 21752 and 21769?

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 21752 and 21769 is 473519288.

LCM(21752,21769) = 473519288

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Least Common Multiple of 21752 and 21769 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21752 and 21769, than apply into the LCM equation.

GCF(21752,21769) = 1
LCM(21752,21769) = ( 21752 × 21769) / 1
LCM(21752,21769) = 473519288 / 1
LCM(21752,21769) = 473519288

Least Common Multiple (LCM) of 21752 and 21769 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21752 and 21769. First we will calculate the prime factors of 21752 and 21769.

Prime Factorization of 21752

Prime factors of 21752 are 2, 2719. Prime factorization of 21752 in exponential form is:

21752 = 23 × 27191

Prime Factorization of 21769

Prime factors of 21769 are 11, 1979. Prime factorization of 21769 in exponential form is:

21769 = 111 × 19791

Now multiplying the highest exponent prime factors to calculate the LCM of 21752 and 21769.

LCM(21752,21769) = 23 × 27191 × 111 × 19791
LCM(21752,21769) = 473519288