GCF and LCM Calculator Logo

What is the Least Common Multiple of 77642 and 77662?

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 77642 and 77662 is 3014916502.

LCM(77642,77662) = 3014916502

LCM Calculator and
and

Least Common Multiple of 77642 and 77662 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77642 and 77662, than apply into the LCM equation.

GCF(77642,77662) = 2
LCM(77642,77662) = ( 77642 × 77662) / 2
LCM(77642,77662) = 6029833004 / 2
LCM(77642,77662) = 3014916502

Least Common Multiple (LCM) of 77642 and 77662 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77642 and 77662. First we will calculate the prime factors of 77642 and 77662.

Prime Factorization of 77642

Prime factors of 77642 are 2, 38821. Prime factorization of 77642 in exponential form is:

77642 = 21 × 388211

Prime Factorization of 77662

Prime factors of 77662 are 2, 13, 29, 103. Prime factorization of 77662 in exponential form is:

77662 = 21 × 131 × 291 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 77642 and 77662.

LCM(77642,77662) = 21 × 388211 × 131 × 291 × 1031
LCM(77642,77662) = 3014916502