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What is the Least Common Multiple of 2975 and 2979?

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 2975 and 2979 is 8862525.

LCM(2975,2979) = 8862525

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Least Common Multiple of 2975 and 2979 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2975 and 2979, than apply into the LCM equation.

GCF(2975,2979) = 1
LCM(2975,2979) = ( 2975 × 2979) / 1
LCM(2975,2979) = 8862525 / 1
LCM(2975,2979) = 8862525

Least Common Multiple (LCM) of 2975 and 2979 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2975 and 2979. First we will calculate the prime factors of 2975 and 2979.

Prime Factorization of 2975

Prime factors of 2975 are 5, 7, 17. Prime factorization of 2975 in exponential form is:

2975 = 52 × 71 × 171

Prime Factorization of 2979

Prime factors of 2979 are 3, 331. Prime factorization of 2979 in exponential form is:

2979 = 32 × 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 2975 and 2979.

LCM(2975,2979) = 52 × 71 × 171 × 32 × 3311
LCM(2975,2979) = 8862525