0
Still curious? Ask our experts.
Chat with our AI personalities
FranI've made my fair share of mistakes, and if I can help you avoid a few, I'd sure like to try.
Chat with Fran
LaoThe path is yours to walk; I am only here to hold up a mirror.
Chat with Lao
BeauYou're doing better than you think!
Chat with BeauAdd your answer:
Earn +20 ptsQ: What is the GCF of 18 21 and 42?
Write your answer...
Submit
Still have questions?
Continue Learning about Math & Arithmetic
Related questions
What is the GCF of 63 and 42?
The GCF is 21.
What is the greates common factor of 18 and 42?
The greatest common factor of 18 21 and 42 is 3.
What is the greatest common factor of 21 30 and 36?
The GCF is 3.
What is the gcf of 42 and 18 also 42 and 56?
The GCF of 18 and 42 is 6. The GCF of 42 and 56 is 14.
What is the GCF of 42 105 126?
The GCF is 21.
What is the GCF of 42 84 105?
The GCF is 21.
What is the gcf of 42 and 63 and 126?
The GCF is 21.
What is the GCF of 9 21 and 42?
The GCF is 3.
What is the gcf for 42 and 21?
Since 21 is a factor of 42, it is automatically the GCF.
What is the GCF of 21and 42 and the GCF of 17 and 27?
The GCF of 21 and 42 is 21. The GCF of 17 and 27 is 1.
What is the GCF of 18 and 42 and 84?
The GCF is 6.
What is the GCF of 12 18 42?
The GCF is 6.
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.