The H.C.F. of 22 33 55, 23 32 52 7 and 24 34 5 72 11 is

ABC26GN0457 · H.C.F. and L.C.M. of Numbers

Subject: General Aptitude · Chapter: H.C.F. and L.C.M. of Numbers · Exam: · Marks: · Difficulty:

The H.C.F. of $2^{2} \times 3^{3} \times 5^{5}, 2^{3} \times 3^{2} \times 5^{2} \times 7$ and $2^{4} \times 3^{4} \times 5 \times 7^{2} \times 11$ is

(a)$2^{2} \times 3^{2} \times 5$

(b)$2^{2} \times 3^{2} \times 5 \times 7 \times 11$

(c)$2^{4} \times 3^{4} \times 5^{5}$

(d)$2^{4} \times 3^{4} \times 5^{5} \times 7 \times 11$

Answer

Answer (as printed): A

Explanation

H.C.F. = Product of lowest powers of common factors $$=2^{2} \times 3^{2} \times 5 .$$

Explanation as extracted from the printed page; notation may be imperfect.