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What is the Least Common Multiple of 42907 and 42912?

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 42907 and 42912 is 1841225184.

LCM(42907,42912) = 1841225184

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Least Common Multiple of 42907 and 42912 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42907 and 42912, than apply into the LCM equation.

GCF(42907,42912) = 1
LCM(42907,42912) = ( 42907 × 42912) / 1
LCM(42907,42912) = 1841225184 / 1
LCM(42907,42912) = 1841225184

Least Common Multiple (LCM) of 42907 and 42912 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42907 and 42912. First we will calculate the prime factors of 42907 and 42912.

Prime Factorization of 42907

Prime factors of 42907 are 107, 401. Prime factorization of 42907 in exponential form is:

42907 = 1071 × 4011

Prime Factorization of 42912

Prime factors of 42912 are 2, 3, 149. Prime factorization of 42912 in exponential form is:

42912 = 25 × 32 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 42907 and 42912.

LCM(42907,42912) = 1071 × 4011 × 25 × 32 × 1491
LCM(42907,42912) = 1841225184