Which pair of numbers is relatively prime?

Mathematics

2 answers:

Olenka [21]3 years ago

7 0

Answer:

a.72

Step-by-step explanation:

Just took the test

Roman55 [17]3 years ago

3 0

a. 72 And 115
7+2=9
1+1+5=7
not true that both are divisible by 3
b. 120 And 835
1+2=3
8+3+5=16
not true that both are divisible by 3
but, they're both divisible by 5! (0 or 5 at the end)
not relatively prime
 c. 201 And 735
2+1=3
7+3+5=15
both are divisible by 3!
d. 303 And 1041
3+3=6
1+4+1=6
both divisible by 3
so the answer is a

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