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What is the Least Common Multiple of 970 and 984?

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 970 and 984 is 477240.

LCM(970,984) = 477240

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Least Common Multiple of 970 and 984 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 970 and 984, than apply into the LCM equation.

GCF(970,984) = 2
LCM(970,984) = ( 970 × 984) / 2
LCM(970,984) = 954480 / 2
LCM(970,984) = 477240

Least Common Multiple (LCM) of 970 and 984 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 970 and 984. First we will calculate the prime factors of 970 and 984.

Prime Factorization of 970

Prime factors of 970 are 2, 5, 97. Prime factorization of 970 in exponential form is:

970 = 21 × 51 × 971

Prime Factorization of 984

Prime factors of 984 are 2, 3, 41. Prime factorization of 984 in exponential form is:

984 = 23 × 31 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 970 and 984.

LCM(970,984) = 23 × 51 × 971 × 31 × 411
LCM(970,984) = 477240