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What is the Least Common Multiple of 6965 and 6970?

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 6965 and 6970 is 9709210.

LCM(6965,6970) = 9709210

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Least Common Multiple of 6965 and 6970 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6965 and 6970, than apply into the LCM equation.

GCF(6965,6970) = 5
LCM(6965,6970) = ( 6965 × 6970) / 5
LCM(6965,6970) = 48546050 / 5
LCM(6965,6970) = 9709210

Least Common Multiple (LCM) of 6965 and 6970 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6965 and 6970. First we will calculate the prime factors of 6965 and 6970.

Prime Factorization of 6965

Prime factors of 6965 are 5, 7, 199. Prime factorization of 6965 in exponential form is:

6965 = 51 × 71 × 1991

Prime Factorization of 6970

Prime factors of 6970 are 2, 5, 17, 41. Prime factorization of 6970 in exponential form is:

6970 = 21 × 51 × 171 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 6965 and 6970.

LCM(6965,6970) = 51 × 71 × 1991 × 21 × 171 × 411
LCM(6965,6970) = 9709210