What is the Least Common Multiple of 35620 and 35638?

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 35620 and 35638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 35620 and 35638, than apply into the LCM equation.

GCF(35620,35638) = 2
LCM(35620,35638) = ( 35620 × 35638) / 2
LCM(35620,35638) = 1269425560 / 2
LCM(35620,35638) = 634712780

Least Common Multiple (LCM) of 35620 and 35638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 35620 and 35638. First we will calculate the prime factors of 35620 and 35638.

Prime Factorization of 35620

Prime Factorization of 35638

Now multiplying the highest exponent prime factors to calculate the LCM of 35620 and 35638.

LCM(35620,35638) = 2² × 5¹ × 13¹ × 137¹ × 103¹ × 173¹
LCM(35620,35638) = 634712780