Question

what is the HCF of 160 and 260​

Answer 1

Answer:

Greatest common factor (GCF) of 160 and 180 is 20. We will now calculate the prime factors of 160 and 180, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 160 and 180.

260 Some Thoughts on Those Four Consecutive Numbers

260 is a composite number.

Prime factorization: 260 = 2 x 2 x 5 x 13, which can be written 260 = (2^2) x 5 x 13.

The exponents in the prime factorization are 2, 1 and 1. ...

Factors of 260: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260.

Answer 2

Answer:

Find the prime factorization of 160

160 = 2 × 2 × 2 × 2 × 2 × 5

Find the prime factorization of 260

260 = 2 × 2 × 5 × 13

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 2 × 5

GCF = 20