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What is the Least Common Multiple of 6964 and 6981?

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 6964 and 6981 is 48615684.

LCM(6964,6981) = 48615684

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Least Common Multiple of 6964 and 6981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6964 and 6981, than apply into the LCM equation.

GCF(6964,6981) = 1
LCM(6964,6981) = ( 6964 × 6981) / 1
LCM(6964,6981) = 48615684 / 1
LCM(6964,6981) = 48615684

Least Common Multiple (LCM) of 6964 and 6981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6964 and 6981. First we will calculate the prime factors of 6964 and 6981.

Prime Factorization of 6964

Prime factors of 6964 are 2, 1741. Prime factorization of 6964 in exponential form is:

6964 = 22 × 17411

Prime Factorization of 6981

Prime factors of 6981 are 3, 13, 179. Prime factorization of 6981 in exponential form is:

6981 = 31 × 131 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 6964 and 6981.

LCM(6964,6981) = 22 × 17411 × 31 × 131 × 1791
LCM(6964,6981) = 48615684