Math, asked by drishti221, 11 months ago

which of the following are co-primes?

a). 91 and 72

b). 34 and 52

c). 21 and 36

d). 15 and 20

Answers

Answered by Anonymous

23

$<body style="background-color:pink;">ANSWER:-</body>$

$<marquee behavior="scroll" direction="up" style="height:200px;">91 and 72 are co-primes.</marquee>$

Answered by Anonymous

11

Answer:

$\huge\underline\mathfrak\red{hii mate}$

Co -prime numbers

These are the numbers which do not have any factor But 1 .

91 - 1×7×13×91

72 - 1×2×2×2×3×3×72

34 - 1×2×17×34

51 - 1×3×17×51

21 - 1×3×7×21

36 - 1×2×3×36

15 - 1×3×5×15

20 - 1×2×5×20

In(a) part only 1 is a common factor so it's a co prime no.

In( b) part 1 and 17 are factor so it's not a co prime no.

In (c) part 1 and 3 are factor so it's not a co prime no.

In (d) part 1 and 5 are factor so it's not a co prime no.

$\huge\underline\mathfrak\pink{Thanks}$

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