What is the Least Common Multiple of 61956 and 61971?

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 61956 and 61971 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61956 and 61971, than apply into the LCM equation.

GCF(61956,61971) = 3
LCM(61956,61971) = ( 61956 × 61971) / 3
LCM(61956,61971) = 3839475276 / 3
LCM(61956,61971) = 1279825092

Least Common Multiple (LCM) of 61956 and 61971 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61956 and 61971. First we will calculate the prime factors of 61956 and 61971.

Prime Factorization of 61956

Prime Factorization of 61971

Now multiplying the highest exponent prime factors to calculate the LCM of 61956 and 61971.

LCM(61956,61971) = 2² × 3² × 1721¹ × 7¹ × 13¹ × 227¹
LCM(61956,61971) = 1279825092