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What is the Least Common Multiple of 6971 and 6985?

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 6971 and 6985 is 48692435.

LCM(6971,6985) = 48692435

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Least Common Multiple of 6971 and 6985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6971 and 6985, than apply into the LCM equation.

GCF(6971,6985) = 1
LCM(6971,6985) = ( 6971 × 6985) / 1
LCM(6971,6985) = 48692435 / 1
LCM(6971,6985) = 48692435

Least Common Multiple (LCM) of 6971 and 6985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6971 and 6985. First we will calculate the prime factors of 6971 and 6985.

Prime Factorization of 6971

Prime factors of 6971 are 6971. Prime factorization of 6971 in exponential form is:

6971 = 69711

Prime Factorization of 6985

Prime factors of 6985 are 5, 11, 127. Prime factorization of 6985 in exponential form is:

6985 = 51 × 111 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 6971 and 6985.

LCM(6971,6985) = 69711 × 51 × 111 × 1271
LCM(6971,6985) = 48692435