GCF and LCM Calculator Logo

What is the Least Common Multiple of 70974 and 70988?

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 70974 and 70988 is 2519151156.

LCM(70974,70988) = 2519151156

LCM Calculator and
and

Least Common Multiple of 70974 and 70988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70974 and 70988, than apply into the LCM equation.

GCF(70974,70988) = 2
LCM(70974,70988) = ( 70974 × 70988) / 2
LCM(70974,70988) = 5038302312 / 2
LCM(70974,70988) = 2519151156

Least Common Multiple (LCM) of 70974 and 70988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70974 and 70988. First we will calculate the prime factors of 70974 and 70988.

Prime Factorization of 70974

Prime factors of 70974 are 2, 3, 3943. Prime factorization of 70974 in exponential form is:

70974 = 21 × 32 × 39431

Prime Factorization of 70988

Prime factors of 70988 are 2, 17747. Prime factorization of 70988 in exponential form is:

70988 = 22 × 177471

Now multiplying the highest exponent prime factors to calculate the LCM of 70974 and 70988.

LCM(70974,70988) = 22 × 32 × 39431 × 177471
LCM(70974,70988) = 2519151156