Calculator Instructions:

Enter the 2 numbers you want to evaluate and press the appropriate button Search Engine Shortcut Examples:

GCF of 25 and 30

GREATEST COMMON FACTOR 60,75

least common multiple of 50 AND 80

lcm 50,70

l.c.m. 80 and 95

gcf 50 + 75

g.c.f 50,100

GCF of 15 and 20 and 30

are 3 and 5 twin prime

are 20 and 29 coprime

lcd of 20 and 25 Excel Download for Premium Users Only Quizzes Available for Premium Users Only Unlimited Practice Problem Generator for Premium Users Only Flashcards for Premium Users Only

Determine the Greatest Common Factor (GCF) of (448,987)

__Determine the factors for 448 up to 448 since that is the minimum of the 2 numbers__

1,2,4,7,8,14,16,28,32,56,64,112,224,448

__Determine the factors for 987 up to 448 since that is the minimum of the 2 numbers__

1,3,7,21,47,141,329

The common factors between them are 1,7

The greatest common factor between them is**7**

Since the Greatest Common Factor of both numbers ≠ 1, the numbers are__not__ relatively prime (co-prime)

Since the Greatest Common Factor of Both Numbers is both ≠ 1 and have a difference of two, the numbers are not twin prime

Enter the 2 numbers you want to evaluate and press the appropriate button Search Engine Shortcut Examples:

GCF of 25 and 30

GREATEST COMMON FACTOR 60,75

least common multiple of 50 AND 80

lcm 50,70

l.c.m. 80 and 95

gcf 50 + 75

g.c.f 50,100

GCF of 15 and 20 and 30

are 3 and 5 twin prime

are 20 and 29 coprime

lcd of 20 and 25 Excel Download for Premium Users Only Quizzes Available for Premium Users Only Unlimited Practice Problem Generator for Premium Users Only Flashcards for Premium Users Only

Determine the Greatest Common Factor (GCF) of (448,987)

1,2,4,7,8,14,16,28,32,56,64,112,224,448

1,3,7,21,47,141,329

The common factors between them are 1,7

The greatest common factor between them is

Since the Greatest Common Factor of both numbers ≠ 1, the numbers are

Since the Greatest Common Factor of Both Numbers is both ≠ 1 and have a difference of two, the numbers are not twin prime