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What is the Least Common Multiple of 776 and 788?

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 776 and 788 is 152872.

LCM(776,788) = 152872

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Least Common Multiple of 776 and 788 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 776 and 788, than apply into the LCM equation.

GCF(776,788) = 4
LCM(776,788) = ( 776 × 788) / 4
LCM(776,788) = 611488 / 4
LCM(776,788) = 152872

Least Common Multiple (LCM) of 776 and 788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 776 and 788. First we will calculate the prime factors of 776 and 788.

Prime Factorization of 776

Prime factors of 776 are 2, 97. Prime factorization of 776 in exponential form is:

776 = 23 × 971

Prime Factorization of 788

Prime factors of 788 are 2, 197. Prime factorization of 788 in exponential form is:

788 = 22 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 776 and 788.

LCM(776,788) = 23 × 971 × 1971
LCM(776,788) = 152872