What is the Least Common Multiple of 4970 and 4987?

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 of 4970 and 4987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4970 and 4987, than apply into the LCM equation.

GCF(4970,4987) = 1
LCM(4970,4987) = ( 4970 × 4987) / 1
LCM(4970,4987) = 24785390 / 1
LCM(4970,4987) = 24785390

Least Common Multiple (LCM) of 4970 and 4987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4970 and 4987. First we will calculate the prime factors of 4970 and 4987.

Prime Factorization of 4970

Prime Factorization of 4987

Now multiplying the highest exponent prime factors to calculate the LCM of 4970 and 4987.

LCM(4970,4987) = 2¹ × 5¹ × 7¹ × 71¹ × 4987¹
LCM(4970,4987) = 24785390