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What is the Least Common Multiple of 975 and 979?

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 975 and 979 is 954525.

LCM(975,979) = 954525

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Least Common Multiple of 975 and 979 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 975 and 979, than apply into the LCM equation.

GCF(975,979) = 1
LCM(975,979) = ( 975 × 979) / 1
LCM(975,979) = 954525 / 1
LCM(975,979) = 954525

Least Common Multiple (LCM) of 975 and 979 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 975 and 979. First we will calculate the prime factors of 975 and 979.

Prime Factorization of 975

Prime factors of 975 are 3, 5, 13. Prime factorization of 975 in exponential form is:

975 = 31 × 52 × 131

Prime Factorization of 979

Prime factors of 979 are 11, 89. Prime factorization of 979 in exponential form is:

979 = 111 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 975 and 979.

LCM(975,979) = 31 × 52 × 131 × 111 × 891
LCM(975,979) = 954525