pinsonjon1129
06.01.2020 •
Mathematics
What is the lest common multiple of 14 and 21?
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Ответ:
There's a trick to finding this easily. Take the prime factors of both numbers.
14 = 7 × 2
21 = 7 × 3
Now, multiply the unlike numbers.
2 × 3 = 6
Multiply the 6 by one of the like numbers.
6 × 7 = 42.
That's it. Hope this helps!
Ответ:
14 = 7 X 2
21 = 7 X 3
The least common multiple will be 7 X 2 X 3 = 42
Ответ: