hcf and lcm of 12 and 15 by prime factor method
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HCF Example
The factors of 12 are : 1, 2, 3, 4, 6, 12. The factors of 15 are : 1, 3, 5, 15. 1 and 3 are the only common factors (numbers which are factors of both 12 and 15). Therefore, the highest common factor of 12 and 15 is 3.
MORE METHODS:
What is the HCF and LCM of 12 15 and 21?
The common factors are 1, 2, 5, and 10; the highest common factor, then, is 10. The product of two numbers is 2560 and their LCM is 320
Step-by-step explanation:
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