GCF and LCM Calculator Logo

What is the Least Common Multiple of 77620 and 77635?

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 77620 and 77635 is 1205205740.

LCM(77620,77635) = 1205205740

LCM Calculator and
and

Least Common Multiple of 77620 and 77635 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77620 and 77635, than apply into the LCM equation.

GCF(77620,77635) = 5
LCM(77620,77635) = ( 77620 × 77635) / 5
LCM(77620,77635) = 6026028700 / 5
LCM(77620,77635) = 1205205740

Least Common Multiple (LCM) of 77620 and 77635 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77620 and 77635. First we will calculate the prime factors of 77620 and 77635.

Prime Factorization of 77620

Prime factors of 77620 are 2, 5, 3881. Prime factorization of 77620 in exponential form is:

77620 = 22 × 51 × 38811

Prime Factorization of 77635

Prime factors of 77635 are 5, 15527. Prime factorization of 77635 in exponential form is:

77635 = 51 × 155271

Now multiplying the highest exponent prime factors to calculate the LCM of 77620 and 77635.

LCM(77620,77635) = 22 × 51 × 38811 × 155271
LCM(77620,77635) = 1205205740