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What is the Least Common Multiple of 4984 and 4990?

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 4984 and 4990 is 12435080.

LCM(4984,4990) = 12435080

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Least Common Multiple of 4984 and 4990 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4984 and 4990, than apply into the LCM equation.

GCF(4984,4990) = 2
LCM(4984,4990) = ( 4984 × 4990) / 2
LCM(4984,4990) = 24870160 / 2
LCM(4984,4990) = 12435080

Least Common Multiple (LCM) of 4984 and 4990 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4984 and 4990. First we will calculate the prime factors of 4984 and 4990.

Prime Factorization of 4984

Prime factors of 4984 are 2, 7, 89. Prime factorization of 4984 in exponential form is:

4984 = 23 × 71 × 891

Prime Factorization of 4990

Prime factors of 4990 are 2, 5, 499. Prime factorization of 4990 in exponential form is:

4990 = 21 × 51 × 4991

Now multiplying the highest exponent prime factors to calculate the LCM of 4984 and 4990.

LCM(4984,4990) = 23 × 71 × 891 × 51 × 4991
LCM(4984,4990) = 12435080