LCM for 35 and 42
"Least Common Multiple" Calculator
What's the Least Common Multiple (LCM) of 35 and 42?
(Two hundred ten)
Finding LCM for 35 and 42 using GCF's of these numbers
The first method to find LCM for numbers 35 and 42 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 35 and 42 is 7, so
LCM = (35 × 42) ÷ 7
LCM = 1470 ÷ 7
LCM = 210
Finding LCM for 35 and 42 by Listing Multiples
The second method to find LCM for numbers 35 and 42 is to list out the common multiples for both nubmers and pick the first which matching:
Multiples of 35: 35, 70, 105, 140, 175, 210, 245, 280
Multiples of 42: 42, 84, 126, 168, 210, 252, 294
So the LCM for 35 and 42 is 210
Finding LCM for 35 and 42 by Prime Factorization
Another method to find LCM for numbers 35 and 42 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 35: 5, 7 (exponent form: 51, 71)
All Prime Factors of 42: 2, 3, 7 (exponent form: 21, 31, 71)
51 × 71 × 21 × 31 = 210
Related Calculations
See Also
- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
About "Least Common Multiple" Calculator
Least Common Multiple (LCM) also known as the Lowest Common Multiple or Smallest Common Multiple of 2 numbers - it is the smallest positive integer that is divisible by both numbers
"Least Common Multiple" Calculator
LCM Table
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What's the Least Common Multiple (LCM) of 35 and 42?
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- Наименьшее общее кратное 35 и 42