LCM for 16 and 25

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What's the Least Common Multiple (LCM) of 16 and 25?

Answer

LCM of 16 and 25 is
400

First common multiples: 400; 800; 1,200; …

400 is divisible by both: 400 ÷ 16 = 25, 400 ÷ 25 = 16 — and 25 and 16 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/16 by 25 and of y/25 by 16.

16 and 25 are coprime (GCF = 1), so their LCM is simply the product: 16 × 25 = 400.

16 = 24

25 = 52

Prime1625Highest power
224—24
5—5252

— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.

LCM = 24 × 52 = 400

See Also

FAQ

What's the Least Common Multiple (LCM) of 16 and 25?

LCM of 16 and 25 is 400

How to find the LCM of 16 and 25 using prime factorization?

To find the LCM of 16 and 25, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 400.

What is the difference between LCM and GCF?

LCM (Least Common Multiple) is the smallest number divisible by both numbers, while GCF (Greatest Common Factor) is the largest number that divides both. For 16 and 25: LCM = 400, GCF = 1.