Question

Write the greatest common factor in the following terms. 

63p²a²r²s, – 9pq²r²s², 15p²qr²s², – 60p²a²rs² 

Answer 1

We have,

63p²a²r²s = 3 × 3 × 7 × p × p × a × a × r × r × s 

– 9pq²r²s² = – 3 × 3 × p × q × q × r × r × s × s

15p²qr²s² = 3 × 5 × p × p × q × r × r × s × s

– 60p²a²rs² = – 2 × 2 × 3 × 5 × p × p × a × a × r × s × s

∴ The greatest common factor i.e. GCF is 3prs.