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What is the Least Common Multiple of 986 and 1006?

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 986 and 1006 is 495958.

LCM(986,1006) = 495958

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Least Common Multiple of 986 and 1006 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 986 and 1006, than apply into the LCM equation.

GCF(986,1006) = 2
LCM(986,1006) = ( 986 × 1006) / 2
LCM(986,1006) = 991916 / 2
LCM(986,1006) = 495958

Least Common Multiple (LCM) of 986 and 1006 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 986 and 1006. First we will calculate the prime factors of 986 and 1006.

Prime Factorization of 986

Prime factors of 986 are 2, 17, 29. Prime factorization of 986 in exponential form is:

986 = 21 × 171 × 291

Prime Factorization of 1006

Prime factors of 1006 are 2, 503. Prime factorization of 1006 in exponential form is:

1006 = 21 × 5031

Now multiplying the highest exponent prime factors to calculate the LCM of 986 and 1006.

LCM(986,1006) = 21 × 171 × 291 × 5031
LCM(986,1006) = 495958