WebOct 17, 2012 · What 2 numbers have the HCF of 18? 18 and 36 do. So do 18 and 54, 36 and 54, 18 and 72, 54 and 72, and an infinite number of other pairs of numbers. WebDetailed Answer: The Greatest Common Factor (GCF) for 54 and 90, notation CGF (54,90), is 18. The factors of 90 are 1,2,3,5,6,9,10,15,18,30,45,90. So, as we can see, the Greatest Common Factor or Divisor is 18, because it is the greatest number that …

Find HCF of 54, 72 and 90 by prime factorisation method

WebGreatest Common Factor of 72 and 90 = 18 Step 1: Find the prime factorization of 72 72 = 2 x 2 x 2 x 3 x 3 Step 2: Find the prime factorization of 90 90 = 2 x 3 x 3 x 5 Step 3: Multiply those factors both numbers have in common in steps i) or ii) … Web54 = 2 × 3 × 3 × 3. Find the prime factorization of 72. 72 = 2 × 2 × 2 × 3 × 3. To find the GCF, multiply all the prime factors common to both numbers: Therefore, GCF = 2 × 3 × 3. GCF = 18. MathStep (Works offline) Download our mobile app and learn how to find GCF of upto four numbers in your own time: Android and iPhone/ iPad. garden works comox

Find the highest common factor (HCF) of 72 and 90 - mycollegehive

Web54,72,90 Easy Solution Verified by Toppr Prime factorisation of the given numbers are : 54=2×3×3×3 72=2×2×2×3×3 90=2×3×3×5 Notice that 2 occurs as a common prime factor at least one times and 3 at least two times in given numbers. ∴ H.C.F =2×3×3=18 Solve any question of Real Numbers with:- Patterns of problems > Was this answer helpful? 0 0 WebSteps to find the HCF of any given set of numbers. Step 1: Divide the larger number by the smaller number first, such as; Larger Number/Smaller Number Step 2: Divide the divisor of step 1 by the remainder left. Divisor of step 1/Remainder Step 3: Again divide the divisor of step 2 by the remainder. Divisor of step 2/Remainder WebGCF of 72 and 90 is the divisor that we get when the remainder becomes 0 after doing long division repeatedly. Step 1: Divide 90 (larger number) by 72 (smaller number). Step 2: Since the remainder ≠ 0, we will divide the divisor of step 1 (72) by the remainder (18). Step 3: Repeat this process until the remainder = 0. garden writer jobs