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What is the Least Common Multiple of 6960 and 6979?

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 6960 and 6979 is 48573840.

LCM(6960,6979) = 48573840

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Least Common Multiple of 6960 and 6979 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6960 and 6979, than apply into the LCM equation.

GCF(6960,6979) = 1
LCM(6960,6979) = ( 6960 × 6979) / 1
LCM(6960,6979) = 48573840 / 1
LCM(6960,6979) = 48573840

Least Common Multiple (LCM) of 6960 and 6979 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6960 and 6979. First we will calculate the prime factors of 6960 and 6979.

Prime Factorization of 6960

Prime factors of 6960 are 2, 3, 5, 29. Prime factorization of 6960 in exponential form is:

6960 = 24 × 31 × 51 × 291

Prime Factorization of 6979

Prime factors of 6979 are 7, 997. Prime factorization of 6979 in exponential form is:

6979 = 71 × 9971

Now multiplying the highest exponent prime factors to calculate the LCM of 6960 and 6979.

LCM(6960,6979) = 24 × 31 × 51 × 291 × 71 × 9971
LCM(6960,6979) = 48573840