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What is the Least Common Multiple of 2152 and 2157?

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 2152 and 2157 is 4641864.

LCM(2152,2157) = 4641864

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Least Common Multiple of 2152 and 2157 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2152 and 2157, than apply into the LCM equation.

GCF(2152,2157) = 1
LCM(2152,2157) = ( 2152 × 2157) / 1
LCM(2152,2157) = 4641864 / 1
LCM(2152,2157) = 4641864

Least Common Multiple (LCM) of 2152 and 2157 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2152 and 2157. First we will calculate the prime factors of 2152 and 2157.

Prime Factorization of 2152

Prime factors of 2152 are 2, 269. Prime factorization of 2152 in exponential form is:

2152 = 23 × 2691

Prime Factorization of 2157

Prime factors of 2157 are 3, 719. Prime factorization of 2157 in exponential form is:

2157 = 31 × 7191

Now multiplying the highest exponent prime factors to calculate the LCM of 2152 and 2157.

LCM(2152,2157) = 23 × 2691 × 31 × 7191
LCM(2152,2157) = 4641864