What is the Least Common Multiple of 61940 and 61957?

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 61940 and 61957 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61940 and 61957, than apply into the LCM equation.

GCF(61940,61957) = 1
LCM(61940,61957) = ( 61940 × 61957) / 1
LCM(61940,61957) = 3837616580 / 1
LCM(61940,61957) = 3837616580

Least Common Multiple (LCM) of 61940 and 61957 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61940 and 61957. First we will calculate the prime factors of 61940 and 61957.

Prime Factorization of 61940

Prime Factorization of 61957

Now multiplying the highest exponent prime factors to calculate the LCM of 61940 and 61957.

LCM(61940,61957) = 2² × 5¹ × 19¹ × 163¹ × 7¹ × 53¹ × 167¹
LCM(61940,61957) = 3837616580