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What is the Least Common Multiple of 940 and 944?

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 940 and 944 is 221840.

LCM(940,944) = 221840

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Least Common Multiple of 940 and 944 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 940 and 944, than apply into the LCM equation.

GCF(940,944) = 4
LCM(940,944) = ( 940 × 944) / 4
LCM(940,944) = 887360 / 4
LCM(940,944) = 221840

Least Common Multiple (LCM) of 940 and 944 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 940 and 944. First we will calculate the prime factors of 940 and 944.

Prime Factorization of 940

Prime factors of 940 are 2, 5, 47. Prime factorization of 940 in exponential form is:

940 = 22 × 51 × 471

Prime Factorization of 944

Prime factors of 944 are 2, 59. Prime factorization of 944 in exponential form is:

944 = 24 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 940 and 944.

LCM(940,944) = 24 × 51 × 471 × 591
LCM(940,944) = 221840