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What is the Least Common Multiple of 920 and 932?

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 920 and 932 is 214360.

LCM(920,932) = 214360

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Least Common Multiple of 920 and 932 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 920 and 932, than apply into the LCM equation.

GCF(920,932) = 4
LCM(920,932) = ( 920 × 932) / 4
LCM(920,932) = 857440 / 4
LCM(920,932) = 214360

Least Common Multiple (LCM) of 920 and 932 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 920 and 932. First we will calculate the prime factors of 920 and 932.

Prime Factorization of 920

Prime factors of 920 are 2, 5, 23. Prime factorization of 920 in exponential form is:

920 = 23 × 51 × 231

Prime Factorization of 932

Prime factors of 932 are 2, 233. Prime factorization of 932 in exponential form is:

932 = 22 × 2331

Now multiplying the highest exponent prime factors to calculate the LCM of 920 and 932.

LCM(920,932) = 23 × 51 × 231 × 2331
LCM(920,932) = 214360