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What is the Least Common Multiple of 957 and 973?

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 957 and 973 is 931161.

LCM(957,973) = 931161

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Least Common Multiple of 957 and 973 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 957 and 973, than apply into the LCM equation.

GCF(957,973) = 1
LCM(957,973) = ( 957 × 973) / 1
LCM(957,973) = 931161 / 1
LCM(957,973) = 931161

Least Common Multiple (LCM) of 957 and 973 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 957 and 973. First we will calculate the prime factors of 957 and 973.

Prime Factorization of 957

Prime factors of 957 are 3, 11, 29. Prime factorization of 957 in exponential form is:

957 = 31 × 111 × 291

Prime Factorization of 973

Prime factors of 973 are 7, 139. Prime factorization of 973 in exponential form is:

973 = 71 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 957 and 973.

LCM(957,973) = 31 × 111 × 291 × 71 × 1391
LCM(957,973) = 931161