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To find the HCF of two numbers you first need to express them as the product of their prime factors. In this case you'd get:
45 = 3x3x5
60 = 2x2x3x5
The next step is to identify any common prime factors. In this case both numbers have a 3 and a 5 as a prime factor. Multiplying these together gives:
3x5 = 15
And so 15 is the HCF of 45 and 60.
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Continue Learning about Basic Math
Which pair has 60 as their HCF?
HCF is the highest common factor of two or more numbers. One such pair which has 60 as their HCF can be: 120 and 180.
What is the hcf 48 60 and 72?
The GCF is 12.
What is the Hcf of 48 60 and 72?
The GCF is 12.
What is the HCF 60?
The HCF of 60 is 60. But it's a factor as opposed to a common factor because there's only one number.
What Is The Hcf And Lcm 120 And 180?
HCF is 60 and the LCM is 360
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