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What is the Least Common Multiple of 988 and 1007?

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 988 and 1007 is 52364.

LCM(988,1007) = 52364

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Least Common Multiple of 988 and 1007 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 988 and 1007, than apply into the LCM equation.

GCF(988,1007) = 19
LCM(988,1007) = ( 988 × 1007) / 19
LCM(988,1007) = 994916 / 19
LCM(988,1007) = 52364

Least Common Multiple (LCM) of 988 and 1007 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 988 and 1007. First we will calculate the prime factors of 988 and 1007.

Prime Factorization of 988

Prime factors of 988 are 2, 13, 19. Prime factorization of 988 in exponential form is:

988 = 22 × 131 × 191

Prime Factorization of 1007

Prime factors of 1007 are 19, 53. Prime factorization of 1007 in exponential form is:

1007 = 191 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 988 and 1007.

LCM(988,1007) = 22 × 131 × 191 × 531
LCM(988,1007) = 52364