GCF and LCM Calculator Logo

What is the Least Common Multiple of 28977 and 28987?

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 28977 and 28987 is 839956299.

LCM(28977,28987) = 839956299

LCM Calculator and
and

Least Common Multiple of 28977 and 28987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28977 and 28987, than apply into the LCM equation.

GCF(28977,28987) = 1
LCM(28977,28987) = ( 28977 × 28987) / 1
LCM(28977,28987) = 839956299 / 1
LCM(28977,28987) = 839956299

Least Common Multiple (LCM) of 28977 and 28987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28977 and 28987. First we will calculate the prime factors of 28977 and 28987.

Prime Factorization of 28977

Prime factors of 28977 are 3, 13, 743. Prime factorization of 28977 in exponential form is:

28977 = 31 × 131 × 7431

Prime Factorization of 28987

Prime factors of 28987 are 7, 41, 101. Prime factorization of 28987 in exponential form is:

28987 = 71 × 411 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 28977 and 28987.

LCM(28977,28987) = 31 × 131 × 7431 × 71 × 411 × 1011
LCM(28977,28987) = 839956299