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What is the Least Common Multiple of 938 and 949?

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 938 and 949 is 890162.

LCM(938,949) = 890162

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Least Common Multiple of 938 and 949 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 938 and 949, than apply into the LCM equation.

GCF(938,949) = 1
LCM(938,949) = ( 938 × 949) / 1
LCM(938,949) = 890162 / 1
LCM(938,949) = 890162

Least Common Multiple (LCM) of 938 and 949 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 938 and 949. First we will calculate the prime factors of 938 and 949.

Prime Factorization of 938

Prime factors of 938 are 2, 7, 67. Prime factorization of 938 in exponential form is:

938 = 21 × 71 × 671

Prime Factorization of 949

Prime factors of 949 are 13, 73. Prime factorization of 949 in exponential form is:

949 = 131 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 938 and 949.

LCM(938,949) = 21 × 71 × 671 × 131 × 731
LCM(938,949) = 890162