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What is the Least Common Multiple of 42959 and 42965?

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 42959 and 42965 is 1845733435.

LCM(42959,42965) = 1845733435

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Least Common Multiple of 42959 and 42965 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42959 and 42965, than apply into the LCM equation.

GCF(42959,42965) = 1
LCM(42959,42965) = ( 42959 × 42965) / 1
LCM(42959,42965) = 1845733435 / 1
LCM(42959,42965) = 1845733435

Least Common Multiple (LCM) of 42959 and 42965 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42959 and 42965. First we will calculate the prime factors of 42959 and 42965.

Prime Factorization of 42959

Prime factors of 42959 are 7, 17, 19. Prime factorization of 42959 in exponential form is:

42959 = 71 × 171 × 192

Prime Factorization of 42965

Prime factors of 42965 are 5, 13, 661. Prime factorization of 42965 in exponential form is:

42965 = 51 × 131 × 6611

Now multiplying the highest exponent prime factors to calculate the LCM of 42959 and 42965.

LCM(42959,42965) = 71 × 171 × 192 × 51 × 131 × 6611
LCM(42959,42965) = 1845733435