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What is the Least Common Multiple of 43977 and 43981?

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 43977 and 43981 is 1934152437.

LCM(43977,43981) = 1934152437

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Least Common Multiple of 43977 and 43981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43977 and 43981, than apply into the LCM equation.

GCF(43977,43981) = 1
LCM(43977,43981) = ( 43977 × 43981) / 1
LCM(43977,43981) = 1934152437 / 1
LCM(43977,43981) = 1934152437

Least Common Multiple (LCM) of 43977 and 43981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43977 and 43981. First we will calculate the prime factors of 43977 and 43981.

Prime Factorization of 43977

Prime factors of 43977 are 3, 107, 137. Prime factorization of 43977 in exponential form is:

43977 = 31 × 1071 × 1371

Prime Factorization of 43981

Prime factors of 43981 are 7, 61, 103. Prime factorization of 43981 in exponential form is:

43981 = 71 × 611 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 43977 and 43981.

LCM(43977,43981) = 31 × 1071 × 1371 × 71 × 611 × 1031
LCM(43977,43981) = 1934152437