Question

The numbers 525 and 3000 are both divisible only by 3, 5, 15, 25 and 75. What is HCF (525, 3000)? Justify your answer.

Answer 1

Solution:
HCF(525, 3000) = 75
Justification:
3, 5, 15, 25 and 75 are the only common factors of 525 and 3000.
Therefore, 75 is highest among the common factors.
Hence, HCF(525, 3000) = 75