De grootst gemene deler
van
140
en
300
is
A. 100
B. 20
C. 2100
D. 4
E. 5
[ 1-4210 - op net sinds 22.1.04-(E)-29.10.2023 ]
Translation in E N G L I S H
The greatest common
divisor (GCD) of
140
and
300
is
A. 100
B. 20
C. 2100
D. 4
E. 5
Oplossing - Solution
140 = 2.70 = 2.2.35 = 2.2.5.7 = 2
2
.5
1
.7
1
300 = 3.10.10 = 3.2.5.2.5 = 2
2
.3
1
.5
2
De grootst gemene deler is dus 2
2
.5
1
= 4.5 = 20