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To find this you first have to identify the prime factors of each number. In this case they are:
15 = 3x5
51 = 3x17
The next step is to identify any common prime factors. In this case both numbers have a 3 as a prime factor. Therefore the HCF of 15 and 51 is 3.
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What is the HCF is 21 and 84?
What is the h c f of 51 63 and 21
Greatest common factor of 51 and 21?
GCF of 21 and 51 is 3.21=3*751=3*17
What is the HCF of 680?
To have a HCF, you need at least 2 numbers. There is no HCF in just 1 number.
Hcf of 25 and 70?
The HCF is 5.
What is the hcf of 42 and 12?
the HCF is 6
What is the HCF of 51 and 93?
3.
Can you simplify 51 over 64?
No. The hcf of 51 and 64 is 1.
What is the gcf of 51 and 17?
The GCF/HCF of 17 and 51 is 17.
What number goes into 51 and 75?
3 is the hcf
What number goes into 51 and 49 evenly?
The HCF is one
What is the least common factor of 51 and 18?
It is 1 but the HCF is 3
Is the least common factor of 51 and 18?
It is 1 but the HCF is 3
What is the highest common factor 102 and 153?
The common factors are: 1, 3, 17, 51
What are the factors of 63 and 51?
The Highest Common Factor (HCF) of the two numbers is 3. 63/3 = 23 and 51/3 = 17.
How do you change the fraction 51 over 66 to lowest terms?
51/66 = 17/22 in its lowest terms by dividing the numerator and the denominator by 3 which is their HCF
What is the HCF is 21 and 84?
What is the h c f of 51 63 and 21
What is the LCM of 15and 9?
45
