What is the Least Common Multiple of 77270 and 77278?
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 77270 and 77278 is 2985635530.
LCM(77270,77278) = 2985635530
Least Common Multiple of 77270 and 77278 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77270 and 77278, than apply into the LCM equation.
GCF(77270,77278) = 2
LCM(77270,77278) = ( 77270 × 77278) / 2
LCM(77270,77278) = 5971271060 / 2
LCM(77270,77278) = 2985635530
Least Common Multiple (LCM) of 77270 and 77278 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 77270 and 77278. First we will calculate the prime factors of 77270 and 77278.
Prime Factorization of 77270
Prime factors of 77270 are 2, 5, 7727. Prime factorization of 77270 in exponential form is:
77270 = 21 × 51 × 77271
Prime Factorization of 77278
Prime factors of 77278 are 2, 38639. Prime factorization of 77278 in exponential form is:
77278 = 21 × 386391
Now multiplying the highest exponent prime factors to calculate the LCM of 77270 and 77278.
LCM(77270,77278) = 21 × 51 × 77271 × 386391
LCM(77270,77278) = 2985635530
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