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To find the HCF of two numbers you first have to express them as a product of their prime factors. In this case:
15 = 3x5
39 = 3x13
The next step is to identify any common prime factors. In this case, both numbers have 3 as a prime factor. Therefore the HCF of 15 and 39 is 3.
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Related Questions
What is the HCF of 15 93 and 39?
3
What is the HCF of 78 39 and 195?
39
What is the HCF of 20 and 39?
1
What is the hcf of 13 and 39 multiply by 4 and 3?
156: Hcf of 13 and 39= 13 13*12=156 =156
What numbers can go into 39 and 20?
The HCF of 39 and 20 is 1
Hcf of 39 156 169?
It is 13
What is the HCF of 39 156 169?
It is 13
What is the HCF of 39 65 91?
It is: 13
What is the hcf and lcm of 5 and 15?
hcf(5, 15) = 5 lcm(5, 15) = 15.
What is the HCF of 75 and 45?
The GCF is 15.
What is the HCF of 15 and 290?
The GCF is 5.
What is the HCF 375 and 165?
The GCF is 15.
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